Kinetic energy is equal to
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Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be
If a body is whirled in a circle, then the work done on it ___.
The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.
Find the resistance (in mega Ω) of a wire of length 10 m, cross sectional area 1 cm2 and made of a material of resistivity 100 Ωm.
What does the symbol R in electricity stand for ?
What is not true with CT Scan?
Which of the following devices helps to maintain a potential difference across a conductor?