Question # 1

Earth wire is connected to the:

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Power house

Transformer

Ground

Generator

The particles emitted from a hot cathode surface are:

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Positive ions

Negative ions

Proton

Electron

In 1950, physicists observed that in cathode ray tube a special type of rays produced from cathode, these rays were called:

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Cathode rays

X-rays

Alpha rays

Gamma rays

Electronics is the study of principles by means of which we control the:

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Flow of electrons.

Nuclear fission

Fusion reaction

Radiations

Which type of capacitor is cylindrical in shape:

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Paper capacitor

Mica capacitor

Variable capacitor

Plates capacitor

What will be the capacitance of capacitor by joining them in parallel:

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Increased

Much less

Decrease

No change

A and B are the two inputs of a NOR gate. Its output would be 1 when:

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A = 1, B = 1

A = 0 , B = 1

A = 1, B = 0

A = 0 , B = 0

Positive charge can be produced by:

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Combing in hair

Rubbing glass rod on silk

By rubbing ebonite rod on wool

By rubbing glass rod wool

electric intensity is a quantity:

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scalar

vector

base

none of these

Positive charge in an electric field always tend to move:

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Does not move

From lower to higher potential

From higher to lower potential

All of these

The converter of digital to analogue signal is:

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ADC

DAC

DATC

DTC

Electronics is a branch of:

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Mass

Applied Physics

Mechanics

Nuclear Physics

Value of ‘k’ depends upon:

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System of unit

Nature of medium

Both a and b

None of these

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10th Class Physics Chapter 16 Introductory Electronics English Medium KPK Boards Online Mcqs MCQs With Answers

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