Question

In the science class the teacher prepared the electric circuit using battery, bulb, wires, keys and noticed that the bulb did not light up. What are the possible causes for the bulb not to light?

Answer 1

Answer:

The bulb may not glow because of the following reasons:

• Liquid in the beaker may be non-conducting. ...

• The conductivity of the liquid may be very low and so the current flowing through the circuit may be too weak to produce enough heat in the filament of the bulb so as to make it glow.

Answer 2

Answer:

Connection may be loose

bulb may be fused

batteries may be used up

Explanation:

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