Explained principle of DC motor and ac
generator. What is overloading ? What is electric fuse ?? What is electric fuse
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Electric Fuse: Electric fuse is a safety device which melts and breaks the circuit if current exceeds a safe value.
An electric Fuse works on the heating effect of current.
Overloading: The current flowing in domestic wiring at a particular time depends on the power ratings of the appliances. If too many electrical appliances of high power ratings are switched on at the same time then they draw extremely large volume of current exceeding safe value, this is known as overloading.
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