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.
The critical angle for light traveling from a transparent medium to air s measured as 34º. The ...
Which of the following are true of plane-polarised light? i. Plane polarisation of light is the f...
Which of the following methods CANNOT be used to produce a steel magnet? The ...
An object is placed 15cm in front of a concave mirror of radius 40cm. The image formed is ...
A simple pendulum makes 50 oscillations in one minute. What is its period of oscillation? ...
Which of the following devices is used for storing electric charges? ...
A constantan wire has a cross sectional area of 4 x 10-8m2 and a resistivity of 1.1 x 10-6Ω...