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Physics

Physics
Which component of an IED creates an electrical charge?

Explosive
Activator
Power source
Fuse

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Physics
Erg cross Sec is the unit of

Planck's constant
Angular momentum
Linear Momentum
Energy

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Physics
Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

100 W
Both
Neither
25 W

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Physics
The working of the quartz crystal in the watch is based on the

Edison Effect
Photoelectric Effect
Johnson Effect
Piezo - electric Effect

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Physics
Tungsten is used for the manufacture of the filament of an electric bulb, because

It is malleable
It is economical
It is a good conductor
It has a very high melting point

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Physics
Which of the following is an example of simple harmonic motion?

Earth spinning on its axis
Motion of a ceiling fan
Simple pendulum motion
Ball bouncing on floor

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