1. When a generator is used to produce electric current, the resulting electric energy originates from which source?
(a) The generator's magnetic field.
(b)Whatever rotates the generator's axle.
(c) The resistance of the generator's coil.
(d) Back emf.
(e) Empty space.
2. Which of the following will not increase a generator's voltage output?
(a) Rotating the generator faster.
(b) Increasing the area of the coil.
(c) Rotating the magnetic field so that it is more closely parallel to the generator's rotation axis.
(d) Increasing the magnetic field through the coil.
(e) Increasing the number of turns in the coil.