Running an electric winch at slow speed over a long period of time causes（）.<br>A:the speed to be retarded by the friction brake<br>B:a load to go downward at full speed<br>C:the circuit breaker to turn off<br>D:the resistors to overheat and eventually burn out

Running an electric winch at slow speed over a long period of time causes（）.
A:the speed to be retarded by the friction brake
B:a load to go downward at full speed
C:the circuit breaker to turn off
D:the resistors to overheat and eventually burn out

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