Class VII

Resistors of variable resistors can be changed hence they are called
  1. ammeter
  2. rheostat
  3. fixed resistor
  4. variable resistor
A positive terminal and a negative terminal are present on a
  1. cell
  2. battery
  3. circuit
  4. all of them
If more resistors are added in a series circuit resistance will be
  1. increased
  2. decreased
  3. equal
  4. constant
Luigi Galvani discovered effect of electricity on legs of
  1. lizard
  2. frog
  3. human
  4. horse
A circuit which splits into two or more branches is called
  1. series circuit
  2. parallel circuit
  3. open circuit
  4. close circuit
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