In DC motor interfacing, which modulation controls the duty cycle of square wave provided at the output by generating variation in the average DC voltage?
A. Amplitude Modulation
B. Frequency Modulation
C. Pulse Width Modulation
D. Phase Modulation
Answer:C
In DC motor interfacing, which modulation controls the duty cycle of square wave provided at the output by generating variation in the average DC voltage?
A. Amplitude Modulation B. Frequency Modulation C. Pulse Width Modulation D. Phase Modulation