1.

A D.C. to D.C. chopper operates from a 48 V source with a resistive load of 24Ohm. The chopper frequency is 250Hz. When Ton= 3 ms, the rms current is

A. 1.5A
B. 15mA
C. 1.73A
D. 173mA
Answer» D. 173mA


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