1.
The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then
2.
In the series combination of two or more than two resistances
3.
The energy of a charged capacitor resides in
4.
The capacity of a spherical conductor is 1 pf then its diameter would be
5.
Check the correct relation
6.
Which of the following has negative temperature coefficient of resistance?
7.
The temperature coefficient of resistance of conductors is
8.
In a circuit containing two unequal resistors connected in parallel, then
9.
Which of the following is an ohmic conductor?
10.
Reciprocal of specific resistance is