Q.1. What is an electric fuse ? Where it is placed in the circuit ?
Q.2. On which effect of current , electric bell is based?
Q.3. What will you prefer - soft iron or steel , to make an electromagnet ? Give reason also.
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Explanation:
1) electric fuse is used to break the circuit in case of fire or emergency....
2)(sorry, don't know this one)
3)soft iron
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Explanation:
Q1. A fuse is a safety device which protect us from overcurrent.It is connected in series . The fuse is placed in the live wire just after the 'electricity meter' of the consumer.
Q2. Current flows through a closed circuit. The electric bell is based on the magnetic effect of current.
Q3. We use iron in making electromagnet because it can produce current fast and can slow down quickly compared to steel .
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