Electronics (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 1 - 3 of 65

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Question number: 1

» Electronics » Operational Amplifiers

Appeared in Year: 2014

MCQ▾

Question

The input given to an ideal OP-AMP integrator circuit is –

The input of an ideal op –amp integrator circuit

The Input of an Ideal Op –Amp Integrator Circuit

In figure the input is given of an ideal OP – AMP integrator circuit.

The correct output of the integrator circuit is –

Choices

Choice (4) Response

a.

The output of the integrator circuit Choice – A

The Output of the Integrator Circuit Choice – A

In figure the output of the integrator circuit is shown.

b.

The output of the integrator circuit Choice – B

The Output of the Integrator Circuit Choice – B

In figure the output of the integrator circuit is shown.

c.

The output of the integrator circuit Choice – C

The Output of the Integrator Circuit Choice – C

In figure the output of the integrator circuit is shown.

d.

The output of the integrator circuit Choice – D

The Output of the Integrator Circuit Choice – D

In figure the output of the integrator circuit is shown.

Question number: 2

» Electronics » Semiconductor Devices

Appeared in Year: 2015

Short Answer Question▾

Write in Short

The bad gap of an intrinsic semiconductor is Equation and Equation . At 300 K, the Fermi level with respected to the edge of the valence band (in eV) is at ________ (up to three decimal places)

Equation

Question number: 3

» Electronics » Active Filters and Oscillators

Appeared in Year: 2014

MCQ▾

Question

A low pass filter is formed by a resistance R and a capacitance C. At the cut – off angular frequency Equation , the voltage gain and the phase of the output voltage relative to the input voltage respectively, are –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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