A wire has a resistance of $$2.5\,\Omega$$ at $$28 \,^{\circ}C$$ and a resistance of $$2.9\,\Omeg
A lift is moving down with acceleration a . A man in the lift drops a ball inside the lift. The a
During electrolysis under suitable conditions, 0.015 mol of chromium is deposited on the cathode
A uniform square sheet has a side length of 2R. A circular sheet of maximum possible area is remo