76. Regarding the operating principle of a DC generator, which of the following statements
is incorrect?
(A) A DC generator converts kinetic energy into electrical energy.
(B) DC motors and DC generators can be used interchangeably.
(C) A DC generator requires an external power source to operate.
(D) The rotation of the motor's rotor generates current.
77. In the process of making LED lights, which measure is necessary to prevent LED lights
from burning out?
(A) Connecting a suitable resistor in series.
(B) Connecting a suitable capacitor in series.
(C) Connecting a suitable inductor in parallel.
(D) Connecting a suitable transformer in parallel.