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A circular coil carrying a current I has radius R and number of turns N . If all the three, i.e., the current I, radius R and number of turns N are doubled, then magnetic field at its centre becomes

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Consider a uniform square plate of side a and mass m. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corner is:

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A charge q is placed at every corner of a square having side a. how much charge must be placed at its centre to bring the system in equilibrium?

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Solid A is a very hard electrical insulator in solid as well as in molten state and melts at an extremely high temp. What type of solid is it?

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12 identical rods made of same material are arranged in the form of a cube. The temperature of 'p' and 'r' are maintained at 90 and 30 repsectively. The temperature of 'v' in steady state is

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microsoft office 2013 activator ✓ Activate Office 2013 on Windows 7 and 10 ➤ Step-by-Step Guide

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