{"id":27419,"date":"2022-02-14T11:34:22","date_gmt":"2022-02-14T06:04:22","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=27419"},"modified":"2022-02-14T11:34:22","modified_gmt":"2022-02-14T06:04:22","slug":"ap-7th-class-science-bits-chapter-6-english-medium","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-7th-class-science-bits-chapter-6-english-medium\/","title":{"rendered":"AP 7th Class Science Bits Chapter 6 Electricity with Answers"},"content":{"rendered":"

Practice the AP 7th Class Science Bits with Answers <\/a>Chapter 6 Electricity on a regular basis so that you can attempt exams with utmost confidence.<\/p>\n

AP 7th Class Science Bits Chapter 6 Electricity with Answers<\/h2>\n

I. Multiple Choice Questions<\/span><\/p>\n

1. The positive electrode in a cell is called
\nA) Electrolyte
\nB) Anode
\nC) Cathode
\nD) Filament
\nAnswer:
\nB) Anode<\/p>\n

2. Which of the following converts chemical energy into electrical energy?
\nA) Cell
\nB) Bulb
\nC) Fan
\nD) Switch
\nAnswer:
\nA) Cell<\/p>\n

3. The container of a dry cell works as
\nA) Anode
\nB) Cathode
\nC) Electrolyte
\nD) None
\nAnswer:
\nB) Cathode<\/p>\n

\"AP<\/p>\n

4. A carbon rod with a metal cap in a cell works as
\nA) Anode
\nB) Cathode
\nC) Electrolyte
\nD) None
\nAnswer:
\nA) Anode<\/p>\n

5. Generally the chemical used in a dry cell is
\nA) Copper sulphate
\nB) Sodium chloride
\nC) Ammonium chloride
\nD) Potassium hydride
\nAnswer:
\nC) Ammonium chloride<\/p>\n

6. The lemon juice in a cell is acts as a
\nA) Anode
\nB) Cathode
\nC) Electrolyte
\nD) None
\nAnswer:
\nC) Electrolyte<\/p>\n

7. Dry cell is not used in
\nA) Torch light
\nB) Wall clock
\nC) Radio
\nD) Mobiles
\nAnswer:
\nD) Mobiles<\/p>\n

8. Assertion (A) : Dry cell is easy to move any where.
\nReason (R) : Dry cell consists of also electrolyte in dried form.
\nA) A and R are correct and R is a correct reason to A
\nB) A and R are correct but R is not a correct reason to A
\nC) A is correct but R is incorrect
\nD) A is incorrect but R is correct
\nAnswer:
\nA) A and R are correct and R is a correct reason to A<\/p>\n

9. Generally, button cells are used in
\nA) Torch lights
\nB) Mobile phones
\nC) Wrist watches
\nD) Vehicles
\nAnswer:
\nC) Wrist watches<\/p>\n

10. 1) When switch is in ‘off position the circuit is a closed.
\n2) When switch is in’off position the bulb does not glow.
\nA) 1 is correct
\nB) 2 is correct
\nC) 1 and 2 are correct
\nD) 1 and 2 are wrong
\nAnswer:
\nB) 2 is correct<\/p>\n

\"AP<\/p>\n

11. Which of the following consumes more power than others?
\nA) Incandescent bulb
\nB) Fluorescent bulb
\nC) CFL
\nD) LED
\nAnswer:
\nA) Incandescent bulb<\/p>\n

12. Fuse wire is made of
\nA) Low melting point wire
\nB) High melting point wire
\nC) No melting point wire
\nD) A or B
\nAnswer:
\nA) Low melting point wire<\/p>\n

13. Which of the follow device prodect the electrical home appliances?
\nA) Fuse
\nB) MCB
\nC) A and B
\nD) Filament
\nAnswer:
\nC) A and B<\/p>\n

14. A siaifsie decftfc circuit amwBlmg of
\nA) a battery
\nB) a bulb
\nC) a switch
\nD) above all
\nAnswer:
\nD) above all<\/p>\n

15. \"AP This is the symbol of
\nA) a cell
\nB) a battery
\nC) two switches
\nD) fuse
\nAnswer:
\nB) a battery<\/p>\n

16. \"AP This symbol represents
\nA) a cell
\nB) an open switch
\nC) a closed switch
\nD) an open cell
\nAnswer:
\nB) an open switch<\/p>\n

17. WMADftefofloif mg represents a glowing bulb?
\n\"AP
\nAnswer:
\nA<\/p>\n

18. On series connection has
\nA) Only two paths
\nB) Only one path
\nC) More than one path
\nD) None
\nAnswer:
\nB) Only one path<\/p>\n

\"AP<\/p>\n

19. If a number of cells are connected in series the brightness of the bulb is
\nA) Enhanced
\nB) Reduced
\nC) As usual
\nD) A or B
\nAnswer:
\nA) Enhanced<\/p>\n

20. If a number of cells are connected in parallel the brightness of the bulb is
\nA) Enhanced
\nB) Reduced
\nC) As usual
\nD) A or B
\nAnswer:
\nC) As usual<\/p>\n

21. In which connection one of the cells are removed the circuit does not open?
\nA) Series
\nB) Parallel
\nC) A and B
\nD) None
\nAnswer:
\nB) Parallel<\/p>\n

\"AP<\/p>\n

22. If a number of bulbs are connected in series the brightness of the bulb is
\nA) Enhanced
\nB) Reduced
\nC) Sanafe issmre
\nD) Aor B
\nAnswer:
\nB) Reduced<\/p>\n

23. If a number of bulbs are connected in parallel the brightness of the bulb is
\nA) Enhanced
\nB) Reduced
\nC) Remains same
\nD)A or B
\nAnswer:
\nC) Remains same<\/p>\n

24. Household devices are connected in
\nA) Series
\nB) Parallel
\nC) A or B
\nD) None
\nAnswer:
\nB) Parallel<\/p>\n

25. Which of the following gives light by glowing in Bulbs?
\nA) Nichrome
\nB) Tungsten
\nC) Alnico
\nD) Copper
\nAnswer:
\nB) Tungsten<\/p>\n

26. Generally filament in iron boxes are made up of
\nA) Nichrome
\nB) Tungsten
\nC) Alnico
\nD) Copper
\nAnswer:
\nA) Nichrome<\/p>\n

27. The devices which acts as magnets when electricity passes through them
\nA) Electric kettles
\nB) Electric heaters
\nC) Electromagnets
\nD) MCB
\nAnswer:
\nC) Electromagnets<\/p>\n

\"AP<\/p>\n

28. Which of the following works on principle of magnetic effect of electricity?
\nA) Electric rice cooker
\nB) Thermometer
\nC) Electric bell
\nD) Electric bulb
\nAnswer:
\nC) Electric bell<\/p>\n

29. Which of the following is required to make an electromagnet?
\nA) Coiled copper wire
\nB) Nail
\nC) Electricity
\nD) Above all
\nAnswer:
\nD) Above all<\/p>\n

30. Which of the following property can levitate a magnetic object?
\nA) Heat effect of electricity
\nB) light effect of electricity
\nC) Chemical effect of electricity
\nD) Magnetic effect erf etedtricity
\nAnswer:
\nD) Magnetic effect erf etedtricity<\/p>\n

31. Electromagnets are
\nA) permanent magnets
\nB) temporary msassets
\nC) not the magnets
\nD) bad conductors
\nAnswer:
\nA) permanent magnets<\/p>\n

32. 1 kilo watt =
\nA) 1000 watts
\nB) 100 watts
\nC) 1\/1000 watts
\nD) 1\/100 watts
\nAnswer:
\nA) 1000 watts<\/p>\n

33. 1 unit of electricity means
\nA) 1 WH
\nB) 1 KWH
\nC) 1000 KWH
\nD) 1\/1000 KWH
\nAnswer:
\nB) 1 KWH<\/p>\n

34. Immediate action to be tacken when an electric shock occurs is
\nA) pouring erf water
\nB) danger with the device
\nC) Cut off power supply
\nD) Expiry date of the device
\nAnswer:
\nC) Cut off power supply<\/p>\n

\"AP<\/p>\n

35. \"AP Indicates
\nA) Power saving erf the device
\nB) Danger with the device
\nC) Quality erf the device
\nD) Expiry date of the device
\nAnswer:
\nC) Quality erf the device<\/p>\n

II. Fill in the blanks<\/span><\/p>\n

1. …………………. is a device used to generate electricity
\n2. The chemical componesrf that conducts electricity is called …………………. .
\n3. The negative electrode is called …………………. .
\n4. The …………………. electrode is called anode.
\n5. A cell converts the …………………. energy into …………………. energy.
\n6. The positive and negative terminals are called …………………. .
\n7. A group of …………………. is called a battery.
\n8. When switch is in ‘ON’ mode, the circuit is …………………. .
\n9. An ordinary bulb gives …………………. and …………………. .
\n10. CFL means …………………. .
\n11. LED means …………………. .
\n12. The electrical appliance with more stars consumes …………………. electricity.
\n13. …………………. protects home appliances from the excess of electricity flows through them.
\n14. Generally, fuse wire made of …………………. melting point.
\n15. MCB means …………………. .
\n16. …………………. is better, when compared to electric fuse.
\n17. A …………………. is a graphical representation of an electrical circuit.
\n18. The electrical symbol of fuse is …………………. .
\n19. In …………………. connection of cells life of battery increases.
\n20. Nichrome wire gets …………………. when electricity passed through it.
\n21. The production of …………………. due to the flow of electricity through a wire is called heating effect of electricity.
\n22. Household electricity is measured in …………………. .
\n23. 1 …………………. = 1000 watts.
\n24. KWH means …………………. .
\n25. A …………………. occurs when a person comes into contact with an electrical source.
\n26. Electricity flows through a portion of the body causing a
\n27. CPR means …………………. .
\n28. ISI means …………………. .
\n29. ISI mark ensures …………………. of the appliances.
\nAnswer:<\/p>\n

    \n
  1. A cell<\/li>\n
  2. Electrolyte<\/li>\n
  3. Cathode<\/li>\n
  4. positive<\/li>\n
  5. chemical, electrical<\/li>\n
  6. electrodes<\/li>\n
  7. cells<\/li>\n
  8. closed<\/li>\n
  9. heat, light<\/li>\n
  10. Compact Fluorescent Lamp<\/li>\n
  11. Light Emitting Diode<\/li>\n
  12. less<\/li>\n
  13. Fuse<\/li>\n
  14. Low<\/li>\n
  15. Miniature Circuit Breaker<\/li>\n
  16. MCB<\/li>\n
  17. circuit diagram<\/li>\n
  18. \"AP<\/li>\n
  19. parallel<\/li>\n
  20. heated up<\/li>\n
  21. heat<\/li>\n
  22. KWH or units<\/li>\n
  23. kilo watt<\/li>\n
  24. kilo watt hour<\/li>\n
  25. Electric<\/li>\n
  26. shock<\/li>\n
  27. Cardio Pulmonary Resuscitation<\/li>\n
  28. Indian Standards Institutions<\/li>\n
  29. quality<\/li>\n<\/ol>\n

    III. Match the following<\/span><\/p>\n

    1.<\/p>\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Electrolyte<\/td>\n1) Copper<\/td>\n<\/tr>\n
    B) Electrode<\/td>\n2) Nichrome<\/td>\n<\/tr>\n
    C) Filament<\/td>\n3) Ammonium chloride<\/td>\n<\/tr>\n
    D) Connecting wire<\/td>\n4) Carbon rod<\/td>\n<\/tr>\n
    E) Cell<\/td>\n5) Lithium – ion<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Electrolyte<\/td>\n3) Ammonium chloride<\/td>\n<\/tr>\n
    B) Electrode<\/td>\n4) Carbon rod<\/td>\n<\/tr>\n
    C) Filament<\/td>\n2) Nichrome<\/td>\n<\/tr>\n
    D) Connecting wire<\/td>\n1) Copper<\/td>\n<\/tr>\n
    E) Cell<\/td>\n5) Lithium – ion<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    2.<\/p>\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Dry cell<\/td>\n1) Bikes<\/td>\n<\/tr>\n
    B) Lithium cell<\/td>\n2) Wrist watches<\/td>\n<\/tr>\n
    C) Button cell<\/td>\n3) Torches<\/td>\n<\/tr>\n
    D) Alkaline cell<\/td>\n4) Mobiles<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Dry cell<\/td>\n3) Torches<\/td>\n<\/tr>\n
    B) Lithium cell<\/td>\n4) Mobiles<\/td>\n<\/tr>\n
    C) Button cell<\/td>\n2) Wrist watches<\/td>\n<\/tr>\n
    D) Alkaline cell<\/td>\n1) Bikes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    3.<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Cell<\/td>\n1) Protects home appliances<\/td>\n<\/tr>\n
    B) Bulb<\/td>\n2) Opens or closes circuits<\/td>\n<\/tr>\n
    C) Fuse<\/td>\n3) Produces light<\/td>\n<\/tr>\n
    D) Switch<\/td>\n4) Produces electricity<\/td>\n<\/tr>\n
    E) Iron box<\/td>\n5) Produces heat<\/td>\n<\/tr>\n
    F) Cranes<\/td>\n6) Produce magnetism<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Cell<\/td>\n4) Produces electricity<\/td>\n<\/tr>\n
    B) Bulb<\/td>\n3) Produces light<\/td>\n<\/tr>\n
    C) Fuse<\/td>\n1) Protects home appliances<\/td>\n<\/tr>\n
    D) Switch<\/td>\n2) Opens or closes circuits<\/td>\n<\/tr>\n
    E) Iron box<\/td>\n5) Produces heat<\/td>\n<\/tr>\n
    F) Cranes<\/td>\n6) Produce magnetism<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    4.
    \n\"AP
    \nAnswer:
    \nA – 7, B – 3, C – 1, D – 5, E – 6, F – 2, G – 4.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Practice the AP 7th Class Science Bits with Answers Chapter 6 Electricity on a regular basis so that you can attempt exams with utmost confidence. AP 7th Class Science Bits Chapter 6 Electricity with Answers I. Multiple Choice Questions 1. The positive electrode in a cell is called A) Electrolyte B) Anode C) Cathode D) …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/27419"}],"collection":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/comments?post=27419"}],"version-history":[{"count":1,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/27419\/revisions"}],"predecessor-version":[{"id":27420,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/27419\/revisions\/27420"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=27419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=27419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=27419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}