Electronics and Experimental Methods (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 4 - 7 of 50

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Question number: 4

» Electronics and Experimental Methods » Operational Amplifiers

Appeared in Year: 2013

MCQ▾

Question

Consider the op – amp circuit shows in the figure.

An op – amp circuit diagram

An Op – Amp Circuit Diagram

In figure an op – amp circuit diagram is shown.

If the input is a sinusoidal wave, then the amplitude of output is – (December)

Choices

Choice (4) Response

a.

5

b.

c.

d.

Question number: 5

» Electronics and Experimental Methods » Digital Techniques and Applications » Registers

Appeared in Year: 2013

MCQ▾

Question

If one of the inputs of J – K flip – flop is high and the other is low, then the outputs and – (December)

Choices

Choice (4) Response

a.

Oscillate between low and high in race – around condition

b.

Follow the inputs and the circuit acts like an R – S flip – flop

c.

Are opposite to the inputs

d.

Toggle and the circuit acts like a T flip – flop

Question number: 6

» Electronics and Experimental Methods » Precision and Accuracy

Appeared in Year: 2014

MCQ▾

Question

One gram of salt is dissolved in water that is filled to a height of 5 cm in a beaker of diameter 10 cm. The accuracy of length measurement is 0.01 cm while that of mass measurement is 0.01 mg. When measuring the concentration C, the fractional error is – (June)

Choices

Choice (4) Response

a.

0.5 %

b.

0.28 %

c.

0.14 %

d.

0.8 %

Question number: 7

» Electronics and Experimental Methods » Digital Techniques and Applications » Counters

Appeared in Year: 2011

MCQ▾

Question

A counter consists of four flip – flops connected as shown in the figure

A counter consists of four flip - flops

A Counter Consists of Four Flip - Flops

In figure a counter consists of four JK flip – flops is shown.

If the counter is initialized as , the state after the next clock pulse is – (December)

Choices

Choice (4) Response

a.

1100

b.

0001

c.

1000

d.

0011

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