

MCQOPTIONS
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1. |
In a step down chopper using pulse width modulation, Ton = 3 x 10-3 and Toff = 1 x 10-3 s. The chopping frequency is |
A. | 333.33 |
B. | 250 |
C. | 500 |
D. | 1000 |
Answer» C. 500 | |