Answer the following questions:
1) Which term is used to describe the path of electric curent from the positive terminal of a battery to its negative terminal?
2) What term is used to describe a wire which offers obstruction to th path of electric curent?
3) When does a fuse wire melt in an electric circuit?
4) What is the name given to a fixed value fuse?
5) A straight conductor carrying current is held parallel to a freely suspended magnetic needle, such that current flows from south to north. If the conductor is kept below the needle, in which direction will it's north pole point?
6) How can electromagnets be used to make permanent magnets?
7) State two ways of increasing the strength of an electromagnet.
8) What is the material of the armature of an electric bell?
9) What kind of magnet is used in an electric bell?
Please answer these questions with your own time don't hurry....
Answers
Answered by
1
Answer:
electric circuit
resistance
when electric current flows in a high speed and the circuit breaks
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