Question

Electricity
Tick (✓) the correct options.
A fuse is made of
(a) an insulator with low melting point than copper.
(b) a conductor with low melting point than copper.
(c) an insulator with high melting point than copper.
(d) a conductor with high melting point than copper.
Which of the following does not use the heating effect of current?
(a) Electric heater (b) Geyser (c) Electric iron
Electromagnet will act as a magnet
(a) when the current does not passes through it.
(b) when the current passes through it.
(c) whenever it is fitted in a device.
(d) irrespective of current passing through it or not.
he following cases the compass needle will show a​

Answer 1

Explanation:

1 b) a conductor with low melting point

2 none of the above

3 b) when the current passes through it

Answer 2

Answer:

answer number first (b)

answer number second (d)

answer number 3rd(b)