1.
If area of cross-section of a metallic wire be comes n times, its resistance becomes
2.
What happens to its resistivity when some impurity is added in a conductor?
3.
The SI unit of specific resistance is
4.
The equivalent resistance between P and Q will be
5.
The effective resistance of a circuit containing resistances in parallel is
6.
If a wire of resistance 1 : 2 is stretched to double its length, then the resistance will become
7.
Read the question given below
8.
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
9.
The reciprocal of resistivity of a conductor is
11.
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
13.
If length of a metallic wire becomes n times, its resistance becomes
14.
Good conductors have many loosely bound
15.
The conductance can't be expressed in
16.
What is the resistance between A and B in the following circuit
17.
A conductor behaves as superconductor
18.
Which switch in the circuit when closed will produce short-circuiting?
19.
If radius of a metallic wire becomes n times, its resistance becomes
20.
Read the question given below
