6.
ige
64. Multiple Choice Questions (MCQs): Choose the correct answer for each of the following.
1. Which of the following material offers minimum resistance to the flow of electric current?
(b) Tungsten
(c) Nichrome
(d) Silver
(a) Copper
2. A fuse wire is made of
(a) copper and tin.
(c) copper and lead.
(b) lead and tin.
(d) aluminum and copper.
3. Which of the following does not allow the electric current to pass through them?
(b) Impure water (c) Rubber
(d) Brass
4. Materials which offer maximum resistance and do not allow current to flow through them are called
(b) insulators.
(c) bad conductors.
(a) Cell
(d) fuse.
(a) conductors.
5. Electromagnets are used in
(a) electric bell.
(b) electric fan.
6. The higher the resistance,
(a) the greater is the current
(c) the greater is the heat
(c) electric motor.
(d) all of them.
produced
(b) the smaller is the heat
(d) the smaller is the current
Answers
Answered by
3
Answer:
- silver
- copper and tin
- rubber
- insulators
- electric bell
- the smaller is the current
Similar questions