What is the name of the device used to convert alternating current into direct current ?
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Washing machines and microwave oven are operated by _______________ embedded inside these gadgets.
Find the work done (in J) when a charge of 10 C moves across a potential difference of 2 V.
Why does water tank appear shallower when viewed from the top?
Anemometer is an instrument meant for measuring __________
Why does a cannon recoil after firing ?
The value of acceleration due to gravity (g) at a distance of 2R from the surface of earth, where R is the radius of earth is ______.
An image formed by a concave mirror on a screen is called __________?
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