2. Answer the following questions in short.
a. State heating effect of current. give some application of it.
b. State any three uses of electromagnet.
c. What are the factors on which heating effect of electric current depends?
d. Why is fuse necessary in a circuit? Explain its working.
Answers
Answer:
1. When an electric current is passed through a conductor, the conductor becomes hot after some time and produce heat. This happens due to the conversion of some electric energy passing through the conductor into heat energy. This effect of electric current is called heating effect of current. Eg, iron, room heater.
2. In doorbells, in hard dicks, in CD
3. The resistance, the time, the amount of current passed.
4. Electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current.
Explanation:
Mate, I guess I typed a lot
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