AC Generator Multiple Choice Questions with Answers – PDF Download

MCQ 1: When a coil rotated in magnetic field the induced current in it:

1. continuously changes
2. remains same
3. becomes zero
4. becomes maximum

MCQ 2: In A.C generator increasing the no. of turns in the coil:

1. decreases the Electromotive force (EMF)
2. Electromotive force (EMF) remains same
3. increases the Electromotive force (EMF)
4. Electromotive force (EMF) becomes zero

MCQ 3: The Electromotive force (EMF) developed by the generator depends upon:

1. area of rotating wire
2. length of rotating wire
3. radius of wire
4. size of magnet

MCQ 4: The metal detectors installed at airports and other places for security purpose are based on the principle of:

1. potential difference
2. electromagnetic difference
3. electromagnetic induction
4. potential energy

MCQ 5: If the coil is placed perpendicular to field lines then the number of lines passing through the coil is:

1. minimum
2. maximum
3. zero
4. may be max. or min.