Question # 1

Production of electricity with help of high tides is called.

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Tidal power

Tharmal power

Wind power

Geothermal power

The production of electricity from tides of water is called:

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Wind power

Thermal power

Tidal power

Nuclear power

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

The energy produced by the breakdown of chemical bond between atoms:

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Light energy

chemical energy

electrical energy

kinetic energy

The light of laser is:

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monochromatic

dichromatic

trichromatic

Tetrachrmatic

The numebr (100)16 in decimal is equal to............. in binary.

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1110100

01011101

1100100

1001001

The SI unit of capacitance is:

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Farad

Ampere

Ohm

Newton

In P-type semi -conductior, most of the current is due to.

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Free electron

Holes

Positive ions

Heat

The deficiency of elctrons in outermost shell of silicon atom is called.

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Valent shell hole

Doping

Hole

None of these

man landed on the moon for the first time in:

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July 20, 1979

July 20, 1976

July 20 ,1969

July 20, 1970

The working principle of transformer:

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Electromagnetic conduction

Electrostatic induction

Electric charge

Neutralization

The process of manufacturing food in pants;

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Respiration

Digestion

Fermentation

Photosynthesis

One thouseand watt power is called.

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One mega watt

One giga watt

One hector watt

One kilowatt

Which circuits carry currents to the lights heaters and other appliances:

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parallel circuits

series circuits

common circuits

All of the above

The SI uinit of Capacitance.

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Farad

Micro Farad

Ohm

Volt

The country, whihc launched its artificial satellite into space for the first time is.

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America

France

Russia

Pakistan

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