Question # 1

Which type of capacitor is cylindrical in shape:

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Paper capacitor

Mica capacitor

Variable capacitor

Plates capacitor

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

If X = A,B, then X is 1 when:

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A and B are 1

A or B is 0

A is 0 and B is 1

A is 1 and B is 0

Public address system is the example of :

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Analogue electronics

Digital electonics

Binary system

None of these

The value of K in SI unit is:

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9X10²⁰ Nm²C²

8X10⁹Nm²C²

9X10⁹Nm²C²

10X10^-9 Nm²C^-2

The open switch Boolean expression is represented by:

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0

1

10

2

The unit of electrical energy is:

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Joule

Watt

Volt

Electron volt(eV)

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

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Increased

Much less

Decrease

No change

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

The digits used in electronics are:

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1

0

0 and 1

1 and 2

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Physics 10th Class English Medium Unit 7 Online Test MCQs With Answers

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