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Electronic Devices & CircuitsFET & MOSFET

A major characteristic of an ideal FET input is?

  • AVery low input impedance
  • BVery high input impedance
  • CZero output resistance in all configurations
  • DLarge gate current under normal operation
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Correct Answer: B. Very high input impedance
Explanation: A FET is voltage controlled and normally draws very little gate current, giving it high input impedance.
Reference: Standard electronics: FET characteristics
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