1.
The equivalent resistance between P and Q will be
2.
The reciprocal of resistivity of a conductor is
3.
The SI unit of specific resistance is
4.
If radius of a metallic wire becomes n times, its resistance becomes
5.
Read the question given below
If an equilateral triangle is made of a uniform wire of resistance R. the equivalent resistance between the ends of sides is
6.
If length of a metallic wire becomes n times, its resistance becomes
7.
What is the resistance between A and B in the following circuit
8.
Good conductors have many loosely bound
9.
A conductor behaves as superconductor
10.
Read the question given below
A resistor of 25 cm length and 4 ohm is stretched to a uniform wire of 50 cm length. The resistance now is
11.
If area of cross-section of a metallic wire be comes n times, its resistance becomes
12.
The conductance can't be expressed in
13.
Read the question given below
14.
Read the question given below
15.
What happens to its resistivity when some impurity is added in a conductor?
18.
Which switch in the circuit when closed will produce short-circuiting?
19.
If a wire of resistance 1 : 2 is stretched to double its length, then the resistance will become
20.
The effective resistance of a circuit containing resistances in parallel is
