CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 398 - 400 of 463

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Question number: 398

» Electronics and Experimental Methods » Device Characteristics

Appeared in Year: 2016

MCQ▾

Question

Two parallel plate capacitors, separated by distance and respective, have a dielectric material of dielectric constant inserted between the plates and are connected to a battery of voltage . The difference in charge on the second capacitor compared to the first is – (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 399

» Mathematical Methods of Physics » Dimensional Analysis

MCQ▾

Question

Using dimensional analysis, Plank defined a characteristic temperature from powers of the gravitational constant , Planck’s constant , Boltzmann constant and the speed of light in vacuum. The expression for is proportional to – (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 400

» Electronics and Experimental Methods » Amplification » Op-Amp Based

Appeared in Year: 2016

MCQ▾

Question

Given the input voltage , which of the following waveforms correctly represents the output voltage in the circuit shown below?

 Input signal of given op – amp circuit

Input Signal of Given Op – Amp Circuit

In figure input signal of given op – amp circuit is shown.

An op – amp circuit with two voltage source

An Op – Amp Circuit With Two Voltage Source

In figure an op – amp circuit with two voltage source is shown.

(June)

Choices

Choice (4) Response

a.

An output signal : Choice A)

An Output Signal: Choice A)

In figure an output signal of given op – amp circuit is shown.

b.

An output signal : Choice B

An Output Signal: Choice B

In figure an output signal of given op – amp circuit is shown.

c.

An output signal : Choice C

An Output Signal: Choice C

In figure an output signal of given op – amp circuit is shown.

d.

An output signal : Choice D

An Output Signal: Choice D

In figure an output signal of given op – amp circuit is shown.

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