Analog Circuits-Small Signal Equivalent Circuits of Diodes, BJTs and MOSFETs [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 4 of 48

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Question 1

Small Signal Equivalent Circuits of Diodes, BJTs and MOSFETs

Appeared in Year: 2012

Question

MCQ▾

The diodes and capacitors in the circuit shown are ideal. The voltage v (t) across the diode is

Image Showing the Circuit Consists of Ideal Diodes & Capacitors

Choices

Choice (4)Response

a.

b.

c.

d.

Question 2

Small Signal Equivalent Circuits of Diodes, BJTs and MOSFETs

Appeared in Year: 2007

Question

MCQ▾

In a junction diode under reverse bias, the magnitude of electric field is maximum at

Choices

Choice (4)Response

a.

The edge of the depletion region on N side

b.

The centre of the depletion region on the N side

c.

The edge of the depletion region on P side

d.

The junction

Question 3

Small Signal Equivalent Circuits of Diodes, BJTs and MOSFETs

Appeared in Year: 2009

Question

MCQ▾

A small signal source is applied to a transistor amplifier as shown below. The transistor has and . Which expression best approximate

Transistor Amplifier Circuit Using BJT, Capacitors & Resisters

Choices

Choice (4)Response

a.

b.

c.

d.

Question 4

Small Signal Equivalent Circuits of Diodes, BJTs and MOSFETs

Appeared in Year: 2011

Question

MCQ▾

For the BJT, in the circuit shown below . the switch is initially closed. At time , the switch is opened. The time t at which leaves the active region is

The Circuit Consists of Transistor, Capacitor and a Switch

Choices

Choice (4)Response

a.

10 ms

b.

100 ms

c.

50 ms

d.

25 ms

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