Transistors MCQ Questions & Answers | Electrical Engineering

1

IC = [a/(1 - a)] IB + [. . . . . . . . /(1 - a)]?

A) ICEO B) ICBO C) IC D) (1 - a ) IB

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Answer & Solution

Answer: Option A

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2

In a transistor, signal is transferred from a ___________ circuit

A) high resistance to low resistance B) low resistance to high resistance C) high resistance to high resistance D) low resistance to low resistance

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Answer & Solution

Answer: Option B

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3

IC = aIE + ___________

A) IB B) ICEO C) ICBO D) ßIB

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Answer & Solution

Answer: Option C

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4

In a transistor amplifier circuit VCE = VCB + ___________

A) VBE B) 2 VBE C) 5 VBE D) None of the above

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Answer & Solution

Answer: Option A

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5

The stability factor of a collector feedback bias circuit is ___________ that of base resistor bias.

A) The same as B) More than C) Less than D) None of the above

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Answer & Solution

Answer: Option C

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6

The value of stability factor for a base resistor bias is ___________.

A) $${\text{RB}}\left( {\beta + 1} \right)$$ B) $$\left( {\beta + 1} \right){\text{RC}}$$ C) $$\beta + 1$$ D) $$1 - \beta $$

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Answer & Solution

Answer: Option C

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7

When either L or C is increased, the resonant frequency of LC circuit ___________

A) Remains the same B) Increases C) Decreases D) Insufficient data

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Answer & Solution

Answer: Option C

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8

If L/C ratio of a parallel LC circuit is increased, the Q of the circuit ___________

A) Is decreased B) Is increased C) Remains the same D) None of the above

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Answer & Solution

Answer: Option B

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9

If the resistance of a tuned circuit is increased, the Q of the circuit ___________

A) Is increased B) Is decreased C) Remains the same D) None of the above

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Answer & Solution

Answer: Option B

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10

Most of the majority carriers from the emitter ___________

A) recombine in the base B) recombine in the emitter C) pass through the base region to the collector D) none of the above

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Answer & Solution

Answer: Option C

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