Electronics and Communication Engineering - Analog Electronics

41. 

The gate electrode in the FET corresponds to the

A. collector in a bipolar transistor
B. base in a bipolar transistor
C. emitter in a bipolar transistor
D. none of the above

Answer: Option B

Explanation:

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42. 

The properties of JFET resemble those of

A. thermionic values
B. N-P-N transistors
C. P-N-P transistors
D. unijunction transistor

Answer: Option B

Explanation:

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43. 

Assertion (A): Transformer coupling has the disadvantage of the weight of transformer and Saturation of core

Reason (R): Transformer coupling is very suitable for impedance matching

A. Both A and R are correct and R is correct explanation for A
B. Both A and R are correct but R is not correct explanation for A
C. A is correct R is wrong
D. A is wrong R is correct

Answer: Option B

Explanation:

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44. 

A Hartley oscillator is used for generation

A. very low frequency oscillation
B. radio frequency oscillation
C. microwave oscillation
D. audio-frequency oscillation

Answer: Option D

Explanation:

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45. 

In a CE class A amplifier the quiescent current and voltage are ICQ and VCEQ. The maximum power output can be

A. (VCEQ)(ICQ)
B.
C.
D. 2 (VCEQ)(ICQ)

Answer: Option B

Explanation:

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