Advertisements
Advertisements
Question
Name the principle of AC generator.
Advertisements
Solution
Faraday’s first law or principle of electromagnetic induction.
APPEARS IN
RELATED QUESTIONS
In the following diagram an arrow shows the motion of the coil towards the bar magnet.
(1) State in which direction the current flows, A to B or B to A?
(2) Name the law used to come to the conclusion.
In which of the following case does the electromagnetic induction occur?
Magnetic flux passing through a coil is initially 6 x 10-4 Wb. It reduces to 10 % of its original value in 't' second. If the e.m.f. induced is 0.54 mV then 't' in second is ____________.
A magnet is moved towards a coil (i) quickly (ii) slowly. The induced potential difference.
Define the right-hand thumb rule.
State the use of the principle of electromagnetic induction.
If magnetic flux changes by \[\Delta\Phi_B\] in a time interval \[\Delta t\], which expression gives the induced emf \[e\]?
What passes through a coil when the north pole of a magnet is near it?
When is an emf induced as a magnet moves towards or away from a coil?
