1.
When a body is negatively charged by friction, it means the body has acquired excess of electrons
2.
The equivalent resistance between P and Q will be
3.
An electric charge on a body produces
4.
A resistor of 25 cm length and 4 ohm is streached to a uniform wire of 50cm length. The resistance now is?
5.
If I is the current though a wire and e is the charge of electron, then the number of electrons in t seconds will given by
6.
In the circuit shown below, the ammeter A reads 5A and the voltmeter V reads 20V. The correct value of resistance R is
7.
If a charged body attracts another body, the charge on the other body
8.
Electromotive force represents
9.
There is no flow of current between two charged bodies when connected because
10.
What is the total resistance across A and B in the circuit shown in fig.
