Types of Wires

Q.

Which type of capacitor is known as a polarized capacitor?

Q.

What should be the characteristic of fuse wire?

1. High melting point, high specific resistance

2. High melting point, low specific resistance

3. Low melting point, low specific resistance

4. Low melting point, high specific resistance

Q.

Two fuse wires have ratings of $10A$ and $13A$.Which wire has higher resistance?

Q. In which of the following case(s) will the bulb glow?

1. 
2. 
3. 
4. 

Q.

Fuse is the weakest part of the circuit which melts and breaks the electric circuit in case of an overload.

1. True
2. False

Q. For a fuse rated at 10 A, the fuse melts if the current in the circuit exceeds A.

1. 5
2. 10
3. 1
4. 100

Q. Which of the following statements about an electric circuit is/are true?

1. The circuit can be closed only when the switch is in ON position.
2. The circuit can be closed only when the switch is in OFF position.
3. The wires should not have any breaks or gaps for circuit to be closed.
4. It should have only one electric cell.

Q. Sort the magnetic strength of electromagnet in ascending order from top to bottom when current is varying.

1. Current = 1 A
2. Current = 3 A
3. Current = 6 A
4. Current = 8 A
5. Current = 12 A

Q. Match the type of the wire with its usage.

1. Service
2. Transformers
3. Electromagnets
4. Multi strand
5. Houses
6. Laminated wire
7. Non-insulated
8. Power stations