GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 222 - 225 of 1076

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Question 222

Clipping, Clamping and Rectifiers

Appeared in Year: 2004

Question

MCQ▾

In the Voltage regulator shown in the figure, the load current can vary from 100 mA to 500 mA. Assuming that the Zener diode is ideal (i.e.. , the Zener knee current is negligibly small and Zener resistance is zero in the breakdown region) .

The Voltage Regulator with Variable Load Current

Choices

Choice (4)Response

a.

b.

c.

d.

Question 223

Mid-Frequency Small Signal Analysis and Frequency Response

Appeared in Year: 2000

Question

MCQ▾

Introducing a resistor in the emitter of a CE amplifier stabilizes the dc operating point against variations in

Choices

Choice (4)Response

a.

Only the of the

b.

Temperature and

c.

Only the temperature

d.

None of the above

Question 224

Appeared in Year: 2000

Question

MCQ▾

In the differential amplifier of the figure, if the source resistance of the current source is infinite, then the common mode gain is

In the Differential Amplifier of the Figure

Choices

Choice (4)Response

a.

Infinite

b.

Indeterminate

c.

Zero

d.

Question 225

Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2002

Question

MCQ▾

Consider the circuit shown. Assume the operational amplifier is ideal.

The Ideal Operational Amplifier with the Bipolar Junction

Choices

Choice (4)Response

a.

Inverse active

b.

Active

c.

Saturation

d.

Cut-off

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