2.
The equivalent resistance between P and Q will be
3.
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
4.
The SI unit of specific resistance is
5.
Read the question given below
6.
If length of a metallic wire becomes n times, its resistance becomes
7.
If a wire of resistance 1 : 2 is stretched to double its length, then the resistance will become
8.
Which switch in the circuit when closed will produce short-circuiting?
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.
The conductance can't be expressed in
12.
What is the resistance between A and B in the following circuit
13.
If area of cross-section of a metallic wire be comes n times, its resistance becomes
14.
The effective resistance of a circuit containing resistances in parallel is
16.
Read the question given below
17.
The reciprocal of resistivity of a conductor is
18.
If radius of a metallic wire becomes n times, its resistance becomes
19.
Good conductors have many loosely bound
20.
What happens to its resistivity when some impurity is added in a conductor?