Question

Working of safety fuses depends upon

1. magnetic effect of the current

2 . chemical effect of the current

3. magnitude of the current

4. heating effect of the current

Select the correct answer using the code

given below.

(a) 1, 2, 3 and 4

(b) 1, 2 and 3 only

(c) 3 and 4 only

(d) 4 only

Answer 1

None of the options are correct.

The answer will be:
e.3 only
It depends upon magnitude of the current

Answer 2

Answer:

3 and 4 is the answer

Explanation: