What will be the resistance of a wire across which, when 2V potential difference is applied, 1A current flows through the wire?
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Which object converts electricity to light?
Bulb converts electricity to light whereas solar panel is the device which converts light to electricity.
A lens has a power +2.0 D. The type of lens and its focal length will be
An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:
The second equation of motion gives the relation between
Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is
The speed of the light is maximum in
The Brownian Motion was discovered by
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