field effect transistors fet MCQs – Page 3

Practise focused field effect transistors fet questions with marked answers for exam preparation and subject revision.

field effect transistors fet Mcqs
41. The channel of a JFET is between the ________________?
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A. input and output

B. gate and source

C. gate and drain

D. drain and source
42. The source terminal of a JEFT corresponds to _____________ of a vacuum tube?
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A. grid

B. plate

C. cathode

D. none of the above

43. If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ______________?
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A. is decreased

B. none of the above

C. is increased

D. remains the same

44. The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage?
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A. cut-off

B. active

C. pinch-off

D. saturation

45. For VGS = 0 V, the drain current becomes constant when VDS exceeds ________________?
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A. cut off

B. V

C. VDD

D. VP
46. A common base configuration of a pnp transistor is analogous to _____________?of a JFET
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A. common gate configuration

B. common source configuration

C. common drain configuration

D. none of the above

47. At cut-off, the JFET channel is _____________?
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A. at its widest point

B. completely closed by the depletion region

C. reverse baised

D. extremely narrow