Question

the bulb in the circuit shown in figure 14.3 does not glow can you identify the problem make necessary changes in the circuit to make the bulb glow

Answer 1

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In the figure, the position of the battery is wrong.

The positive terminal of one battery must be connected to the negative terminal of the other one. Then only the bulb will glow.

Refer to the attachment.

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Answer 2

Answer:

In the given circuit, the positive terminals of both the batteries are joined together so there is no flow of current and hence the bulb didn't glow.

Suggested changes: The current flows from positive terminals therefore the positive terminals of cell will be connected to negative terminal of the cell and vice versa.