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Electronic Devices & CircuitsFET & MOSFET

For an n-channel JFET operating normally, the gate-source junction is generally?

  • AForward biased heavily
  • BReverse biased
  • CShort-circuited
  • DDriven into avalanche continuously
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Correct Answer: B. Reverse biased
Explanation: The JFET gate-channel PN junction is normally reverse biased, which keeps gate current very small and controls the channel depletion width.
Reference: Standard electronics: JFET operation
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