Series and Parallel Circuits

Author:R P Goyal & S S Shome
7th ICSE
IMPORTANT

Important Questions on Series and Parallel Circuits

MEDIUM
IMPORTANT

You are provided with a torch bulb, a cell and two plastic coated metal wires. Draw a diagram to show a complete circuit to light the bulb.

MEDIUM
IMPORTANT

State two precautions that you must take when switching on an electric circuit.

MEDIUM
IMPORTANT

Describe an experiment to show that electricity flows only if the circuit is complete and it does not flow if the circuit is incomplete.

MEDIUM
IMPORTANT

In which of the following case the bulb will glow:

  1. Only one terminal of a cell is joined with a metal wire to one terminal of the bulb.

  2. Both terminals of the bulb are joined with two metal wires to one terminal of the cell.

  3. One terminal of the cell is joined to one terminal of the bulb and other terminal of the cell to the other terminal of the bulb.

MEDIUM
IMPORTANT

In which arrangement are the appliances connected in the electric circuit of our homes, Series or Parallel? Give one reason for your answer.