Question # 1

Multi - meter is an instrument which can be used to measure:

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Current

Potential difference

all of the above

Resistance

Energy of moving charges is called.

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Heat energy

Light energy

Electricla energy

Kinetic energy

Sunlight is directly transformed to electricity with the help of:

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Solar cells

Diod

Rectifier

Transistor

Voltmeter is used to.

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Measure current

Measure potential difference

Measure voltage

Both a and b

Element having atomic numebr greater than.......... go on emitting radiations.

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80

92

82

83

The rays which are liberated from metal due to collision of fast moving electrons:

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Alpha rays

Beta rays

Gamma rays

x - rays

Production of electricity with help of high tides is called.

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Tidal power

Tharmal power

Wind power

Geothermal power

The ability to do work is called.

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Power

Force

Energy

All of them

The largest source of light is.

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Sun

Moon

Stars

Plants

----------------- rays are used to detect the flaws and crocks of metal parts.

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a -rays

gama rays

beta rays

None of these

The SI unit of capacitance is:

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Farad

Ampere

Ohm

Newton

One Btu is equal to.

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1100 joules

1055 Joules

1050 Joules

1040 Joules

Total production capacity of Karachi nuclear power plant:

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137 megawatt

173 megawatt

100 megawatt

110 megawatt

The unit of energy is.

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Newton

Metre

Joule

Second

The county which launched its first artificial satellite into space:

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France

British

America

Russia

Operation " 2+3" in computer performed by.

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CU

CPU

ALU

None of these

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