GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 144 - 148 of 1076

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Question 144

Appeared in Year: 2013

Question

MCQ▾

In the circuit shown below the op-amps are ideal. Then, in Volts is

Two OPAMPs Are Connected in Series to Get the Output Voltage

Choices

Choice (4)Response

a.

6

b.

4

c.

8

d.

10

Question 145

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

Question 146

Appeared in Year: 2008

Question

MCQ▾

Consider the following circuit using an ideal OPAMP. The I-V characteristic of the diode is describe by the relation where and V is the voltage cross the diode (taken as positive for forward bias) . For an input voltage the output voltage is

The Ideal Operational Amplifier with Diode

Choices

Choice (4)Response

a.

b.

c.

d.

Question 147

Appeared in Year: 2009

Question

MCQ▾

In the circuit below, the diode is ideal. The voltage V is given by

The Circuit of Ideal Diode, a Voltage Source & a Current Source

Choices

Choice (4)Response

a.

Max

b.

Min

c.

Min

d.

Max

Passage

In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7 V. the thermal voltage the small signal input where

The Four Diodes Connected in Series

Question 148 (1 of 2 Based on Passage)

Clipping, Clamping and Rectifiers

Appeared in Year: 2011

Question

MCQ▾

The AC output voltage is

Choices

Choice (4)Response

a.

0.25

b.

2

c.

22

d.

1

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