Class VII

SI unit for electric current is
  1. Joule
  2. Watt
  3. Volt
  4. ampere
A positive terminal and a negative terminal are present on a
  1. cell
  2. battery
  3. circuit
  4. all of them
When an electric current flows in a continuous path within a circuit it is called
  1. close circuit
  2. open circuit
  3. switch
  4. blocked circuit
Instruments which is used to measure electric current is called
  1. Ammeter
  2. cell
  3. battery
  4. speed o meter
If more resistors are added in a series circuit resistance will be
  1. increased
  2. decreased
  3. equal
  4. constant
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