Question

Tick ) the correct option:
1. The device used to prevent the flow of excess current in a circuit is
(a) switch
(b) fuse
(c) bulb
(d) coil
2. A wire twisted many times in the form of circles is called
(a) coil
(b) a fuse
(c) an electromagnet (d) a circuit
3. The thin wire seen inside a bulb is
(a) coil
(b) magnet
(c) filament
(d) none of these
4. Which of these does not use the magnetic effect of electric current?
(a) A crane
(b) Radio
(c) Electric oven
(d) None of these
5. When a magnetic compass is brought near a current carrying wire,
(a) it will lose its magnetism
(b) it deflects the magnetic needle
(c) no effect on the compass
(d) it will hold fast in an East-West direction
6. The attraction of iron filings near the poles of a magnet is
(a) zero
(b) weakest
(c) medium
(d) strongest
7. Potential difference is measured by
(a) ammeter
(b) galvanometer (c) voltmeter
(d) none of these​

Answer 1

Answer:

switch ,  a fuse , none of these

Explanation:

Answer 2

Answer:

1-fuse

2-coil

3-filament

4-didn't know

5-d

6-stronger

7-voltmeter