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Physics

Physics
In AC circuits, AC meters measure

Rms values
Mean square values
Peak values
Mean values

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Physics
The substance which conducts current in the solid state is

Graphite
Iodine
Sodium chloride
Diamond

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Physics
One should not connect a number of electrical appliances to the same power socket because

this can damage the domestic wiring due to overloading
this can damage the electrical meter
this can damage the appliances due to overloading
the appliance will not get full voltage

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Physics
After long periods of use, a grey spot develops on the inside of a bulb. This is because

Dust inside the bulb condenses on the top
The heat of the bulb scorches the glass at the top
The tungsten filament evaporates and collects there
Glass undergoes a change due to the heat

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Physics
Earliest thermometer was developed by

Kelvin
Celsius
Fahrenheit
Galileo

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Physics
Ball pen functions on the principle of :

Viscosity
Surface tension
Gravitational force
Boyle's Law

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MORE MCQ ON Physics

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