Question # 1

Electromagnets are used in

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Electric bells

Telephones

Dynamos

all of above

A fresh egg sinks in pure water but floats in a saline water because:

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Saline water is denser than pure water

Saline water is lighter than pure water

Viscosity of saline water is higher than

Surface tensiton of saline water is lower tan of pure water

Name the instrument which indicates speed at which a vehicle is moving?

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Seismograph

Scotograph

Speedometer

Spherometer

Curie is a unit of:

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Radioactivity

Quantity of Heat

Electric Capacitance

Which instrument is used to determining the amount of sugar in a solution?

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Spectrometer

Stethoscope

Saccharimeter

Sextant

the terminal impedance of folded dipole television antenatal is kept

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300 ohms

75 ohms

0 ohm

100 ohms

Bel is a unit of:

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Atmospheric pressure

Electric current

Intensity of sound

Luminous intensity

For a flexible cable, most suitable insulation is

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Glass fiber

Magnesium oxide

Polyvenyl chloride

Insulating tape

Who is sometimes called the Islamic Father of Algebre?

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Hunayn ibn Ishaq

Al-Kindi

Banu Musa

Al - Khwarizmi

Autophagy is the function of

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Ribosomes

Lysosomes

Centrosomes

Mitochondria

Which instrument is used to measure viscosity?

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Thermocouple

Thermometer

Thermostat

Viscometer

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