Question # 1

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

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Increased

Much less

Decrease

No change

1 MB =

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1022KB

1023KB

1024KB

1025KB

Ripple tank is an instrument which is used to study the characteristics of:

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Mechanical waves

Light waves

Radio waves

Electro-magnet waves

The speed of sound in are water at 25°C is:

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1530ms-1

1531ms-1

1560ms-1

1570ms-1

Total energy supplied in driving one coulomb of charge around a complete circuit is called:

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Potential

Potential difference

Electromotive force

Potential energy

The lines will be in the form of concentric circles, if conductor is:

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Circular

Straight

Solenoid

None of these

Astronauts is space need to communicate with each other by radio links because:

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Sound waves travel very slowly in space.

Sound waves travel very fast in speace

Sound waves cannot travel in space

Sound waves have low frequency in space

The power of small fan is:

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40 W

50 W

60 W

80 W

The force on a current carrying conductor is maximum if angle between field and conductor is:

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0^o

90^o

180^o

45^o

What is fitted in telephone receiver?

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Electromagnet

Diaphragm

Both a and b

None of these

1 Pico Farad is equal to:

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10^-9F

10^-12F

10¹²F

10^-6F

If we double the distance between two charges, then force becomes:

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4-times

¼ th

Double

Half

To get a design on the computer screen by moving a pointer with the help of mouse is called:

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word processing

graphic designing

data managing

telecommunication

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10th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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