Which of the following factors does not affect the e.m.f ...
Which of the following factors does not affect the e.m.f of a primary cell? Its
size
internal resistance
operating temperature
duration of usage
Correct answer is A
No explanation has been provided for this answer.
A magnified and virtual image of a near object is produced by ...
Which of the following are contact forces? I. Force of tension II. Force of fiction, III. Magne...
Ripple in a power supply unit is caused by ...
A battery of e.m.f 3.0V is connected across a potentiometer wire AB of length 10Ωm−1 as...