Question

What may be the possible reasons if the tester bulb does not glow?
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Answer 1

Answer:

Following can be the reasons why bulb does not glow :

• The liquid solution in the beaker might be distilled water.
• The liquid solution used in the beaker might be a poor conductor of electricity.
• The bulb might be fused.
• The battery might already be exhausted, sufficient electric charge to light the bulb is not present.
• There might be any loose connection in the circuit between the wires, bulb,battery or electrodes