Class VII

Electricity meter records amount of
  1. power used
  2. electricity used
  3. resistance used
  4. wires used in the circuit
Repulsion between magnetic fields of coil and permanent magnet make coil
  1. halt
  2. cease
  3. rotate
  4. attract
Compared to short thin wire of silver, long but thin wire would have
  1. more resistivity
  2. less resistivity
  3. equal resistivity
  4. may have more or less resistivity
If earth wire is present, danger of ____ is reduced
  1. overloading
  2. overheating
  3. fire
  4. shock
Many machines we use are powered by
  1. thermal energy
  2. sound energy
  3. electric motors
  4. dynamos
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