Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 52 - 55 of 249

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Question 52

Analog Circuits
Clipping, Clamping and Rectifiers

Appeared in Year: 2013

Question

MCQ▾

In a voltage-voltage feedback as shown below, which one of the following statements is TRUE if the gain is increased?

A Voltage – Voltage Feedback with Input and Output

Choices

Choice (4)Response

a.

The input impedance decreases and output impedance also decreases

b.

The input impedance increases and output impedance also increases

c.

The input impedance increases and output impedance decreases

d.

The input impedance decreases and output impedance increases

Question 53

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2009

Question

MCQ▾

In the circuit shown below, the op-amp is ideal, the transistor has and decide whether the feedback in the circuit is positive or negative and determine the voltage V at the output of the op-amp.

The Circuit Consists of a BJT and an OPAMP

Choices

Choice (4)Response

a.

Positive feedback,

b.

Negative feedback,

c.

Positive feedback,

d.

Negative feedback,

Question 54

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2001

Question

MCQ▾

The ideal has the following characteristics

Choices

Choice (4)Response

a.

b.

c.

d.

Question 55

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2002

Question

MCQ▾

A 741 OP-AMP has a gain-bandwidth product of 1 MHz. A non-inverting amplifier using this OP-AMP and having a voltage gain of 20 dB will exhibit a dB bandwidth of

Choices

Choice (4)Response

a.

b.

c.

d.

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