Chapter - 4 Electric Current and Its Effects

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Electric Current and Its Effect


Zubeda made an electric circuit using a cell holder shown in Fig. 14.4, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.


The following defects can be in the circuit due to which the bulb does not glow:

1) The connection of the wire to the cell and bulb may be loose.

2) The electric cell may be used up.

3) Switch may be not functioning.

4) Bulb is fused.

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