Class VII

Measure of rate of flow of electric charges through an electrical conductor is known as
  1. electric current
  2. electrical charges
  3. electric cell
  4. electric circuit
Do not use appliances if they are
  1. damaged
  2. exposed wires
  3. both a and b
  4. working properly
If electrical wires and appliances are overheated due to high electric current they can cause
  1. fires
  2. burns
  3. both a and b
  4. freezing
A component which is used to close or break a circuit is
  1. bulb
  2. switch
  3. wire
  4. electric cell
When electric charges move through electrical conductor there is a production of
  1. electric current
  2. electrical charges
  3. electric cell
  4. electric circuit
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