Explain why the bulb would not glow in the arrangement shown in Fig. 12.13.
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Given:

The bulb does not glow in the arrangement shown in Fig. 12.13.

To do:

To explain why the bulb would not glow in the arrangement shown in Fig. 12.13.

Solution:

Observation:

Let us observe the given circuit in fig. 12.13. The following components are used here in the given circuit.

1. Electric cell$\rightarrow$for power supply.

2. Wire$\rightarrow$for conduction of electric current.

3. A screwdriver$\rightarrow$for connecting wires.

4. An electric bulb$\rightarrow$Not glowing.

Reasons for not glowing the bulb

• In the given circuit, a screwdriver is used to connect both ends of the connecting wire.
• The handle of the screwdriver is made up of plastic.
• Plastic is an insulating material that prevents the current to pass through the circuit.
• The circuit is incomplete due to the handle of the screwdriver and no current is flowing through the circuit.
• If there is no current flowing through the circuit, then the bulb will not glow in the given figure.

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Updated on: 10-Oct-2022

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