Why we prefer Mosfet over BJT?MOSFET is usually more efficient switches for power supplies. BJT will consume more power because it's wasting current when it's switch on. ... They need emitter resistances which will again consume power and decrease power effeciency. Current Mirror Circuits made from MOSFET are far better than that with BJT.

Question

Why we prefer Mosfet over BJT?MOSFET is usually more efficient switches for power supplies. BJT will consume more power because it's wasting current when it's switch on. ... They need emitter resistances which will again consume power and decrease power effeciency. Current Mirror Circuits made from MOSFET are far better than that with BJT.

Karan Singh · Accepted Answer

Why we prefer Mosfet over BJT?MOSFET is usually more efficient switches for power supplies. BJT will consume more power because it's wasting current when it's switch on. ... They need emitter resistances which will again consume power and decrease power effeciency. Current Mirror Circuits made from MOSFET are far better than that with BJT.

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