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A power transistor has its switching, waveforms as shown in figure. If the average power loss in the transistor is limited to 300 W, the switching frequency at which the transistor can be operated is approximately equal to
Correct answer is option ''. Can you explain this answer?
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A power transistor has its switching, waveforms as shown in figure. If...


Energy loss during turn-off

= 0.1603 Watt-sec
Total energy loss in one cycle
= 0.1067 + 0.1603 
= 0.267 W-sec
Average power loss in transistor
= Switching frequency x energy loss in one cycle
∴ Allowable switching frequency
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A power transistor has its switching, waveforms as shown in figure. If the average power loss in the transistor is limited to 300 W, the switching frequency at which the transistor can be operated is approximately equal toCorrect answer is option ''. Can you explain this answer?
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