1.
Which switch in the circuit when closed will produce short-circuiting?
2.
What is the resistance between A and B in the following circuit
3.
The reciprocal of resistivity of a conductor is
4.
Read the question given below
5.
Good conductors have many loosely bound
6.
If length of a metallic wire becomes n times, its resistance becomes
7.
What happens to its resistivity when some impurity is added in a conductor?
8.
If radius of a metallic wire becomes n times, its resistance becomes
9.
If area of cross-section of a metallic wire be comes n times, its resistance becomes
10.
The conductance can't be expressed in
11.
A conductor behaves as superconductor
12.
If a wire of resistance 1 : 2 is stretched to double its length, then the resistance will become
14.
The SI unit of specific resistance is
15.
Read the question given below
16.
The equivalent resistance between P and Q will be
17.
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
18.
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
20.
The effective resistance of a circuit containing resistances in parallel is
