Electronics and Experimental Methods-Device Characteristics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 4

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Question number: 1

» Electronics and Experimental Methods » Device Characteristics

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Appeared in Year: 2013

MCQ▾

Question

A silicon transistor with built-in voltage 0.7 V is used in the circuit shown, with and . Which of the following figures correctly represents the load line and the quiescent Q point? (June)

A silicon transistor

A Silicon Transistor

Choices

Choice (4)Response

a.

Output characteristic: Choice A

Output Characteristic: Choice A

b.

Output characteristic: Choice B

Output Characteristic: Choice B

c.

Output characteristic: Choice C

Output Characteristic: Choice C

d.

Output characteristic: Choice D

Output Characteristic: Choice D

Question number: 2

» Electronics and Experimental Methods » Device Characteristics

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Appeared in Year: 2014

MCQ▾

Question

A current flows through the primary coil of a transformer. The graph of as a function of time is shown in the figure below.

The graph of current in primary coil as a function of time

The Graph of Current in Primary Coil as a Function of Time

Which of the following graphs represents the current in the secondary coil? (June)

Choices

Choice (4)Response

a.

The current in secondary coil as a function of time: Choice A

The Current in Secondary Coil as a Function of Time: Choice A

b.

The current in secondary coil as a function of time: Choice B

The Current in Secondary Coil as a Function of Time: Choice B

c.

The current in secondary coil as a function of time: Choice C

The Current in Secondary Coil as a Function of Time: Choice C

d.

The current in secondary coil as a function of time: Choice D

The Current in Secondary Coil as a Function of Time: Choice D

Question number: 3

» Electronics and Experimental Methods » Device Characteristics

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Appeared in Year: 2011

MCQ▾

Question

A battery powers two circuits and as shown in the figure,

A battery powers two circuits

A Battery Powers Two Circuits

The total current drawn from the battery is estimated by measuring the currents and through the individual circuits. If and are both 200 mA and if the errors in their measurement are 3 mA and 4 mA respectively, the error in the estimate of is –

(December)

Choices

Choice (4)Response

a.

b.

c.

d.

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