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Power electronics and drives miscellaneous

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Power Electronics and Drives

Power electronics and drives miscellaneous
  1. Optocouplers combine
    1. SITs and BJTs
    2. IGBTs and MOSFETs
    3. Power transformers and silicon transistor
    4. Infrared light-emitting diode and a silicon phototransistor
Correct Option: D

In opto-couplers, the input signal is applied to the ILED and the output is taken from the phototransistor. These are used to isolate the gate signals from the power circuit.


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