GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 177 - 180 of 1076

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Question 177

Appeared in Year: 2007

Question

MCQ▾

For the Zener diode shown in the figure, the Zener voltage at knee is 7 V, the knee current is negligible and the Zener dynamic resistance is . If the input voltage range is from 10 to 16 V, the output voltage ranges from

The Circuit Having Voltage Source and a Zener Diode

Choices

Choice (4)Response

a.

b.

c.

d.

Question 178

Appeared in Year: 2012

Question

MCQ▾

The circuit shown is a

The Circuit Consists of a Operational Amplifier with Capacitor

Choices

Choice (4)Response

a.

Low pass filter with rad/s

b.

High pass filter with rad/s

c.

Low pass filter with rad/s

d.

High pass filter with rad/s

Question 179

Appeared in Year: 2011

Question

MCQ▾

For a BJT, the common base current gain and the collector base junction reverse bias saturation current this BJT is connected in the common emitter mode and operated in the active region with a base drive current . The collector current for this mode of operation is

Choices

Choice (4)Response

a.

1.01 mA

b.

0.99 mA

c.

0.98 mA

d.

1.0 mA

Question 180

Appeared in Year: 2007

Question

MCQ▾

A junction has a built in potential of 0.8 volts. The depletion layer width at a reverse bias of volts is . For a reverse bias of volts, the depletion layer width will be

Choices

Choice (4)Response

a.

b.

c.

d.

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