Available Answers

1. 1.

   Choose and write the correct answer (MCQs) :

   1. if a _____________ is moved near a conductor, then a current is produced in it.
      1. cell
      2. bulb
      3. magnet
      4. current
   2. Positive terminal of a dry cell is the _____________.
      1. copper rod
      2. carbon rod
      3. zinc vessel
      4. iron rod
   3. The laws of electromagnetic induction were explained by _____________.
      1. galileo
      2. newton
      3. faraday
      4. einstein
   4. The S.I. unit the electric current is _____________.
      1. volt
      2. watt
      3. ampere
      4. metre
   5. The device used to close or open an electric circuit is _____________.
      1. switch
      2. ammeter
      3. resistance
      4. voltmeter
   6. A solenoid carrying current behaves like a/an _____________.
      1. bar magnet
      2. generator
      3. electric bell
      4. insulator
2. 2.

   Fill in the blanks :

   1. There are _____________ types of charges.
   2. _____________ cells are used in quartz wrist watches.
   3. Voltaic cell is a _____________ cell.
   4. Non-metals are _____________.
   5. Impure water is a conductor of _____________.
   6. The zinc container acts as _____________ and the carbon rod acts as _____________ in dry cell.
   7. When electricity passes through a conductor, it behaves like a _____________.
   8. The electric bell works on the principal of _____________.
3. 3.

   Match the column A with column B :

   A	B
   1. Charges	a. cell, battery, etc.
   2. Electric current	b. positive and negative
   3. Voltaic cell	c. ampere
   4. Dry cell	d. G. Leclanche
   5. Electric sources	e. Alessandro Volta

    

4. 4.

   Name any two source of electricity.
5. 5.

   Name an 'on-off' device to operate an electric curcuit.
6. 6.

   Define induced current.