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A power transistor has its switching waveforms as shown in fig. If the average power loss in the transistor is limited to 470 W, find the switching frequency at which this transistor can be operated – (in kHz)
    Correct answer is '1'. Can you explain this answer?
    Verified Answer
    A power transistor has its switching waveforms as shown in fig. If the...
    Energy loss during turn – on

    = 0.2 watt – sec.
    Energy loss during turn – off
    = 0.27 watt – sec
    Total energy loss in one cycle = 0.2 + 0.27
    = 0.47 watt – sec.
    Average power loss in transistor
    = switching frequency × energy loss in one cycle
    ⇒ Switching frequency =470/0.47
    = 1000 Hz.
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    A power transistor has its switching waveforms as shown in fig. If the average power loss in the transistor is limited to 470 W, find the switching frequency at which this transistor can be operated – (in kHz)Correct answer is '1'. Can you explain this answer?
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