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ATQ, Let the total marks be 'W'. So, (50% of W) - 70 = (40% of W) + 30 Or, 0.5W - 70 = 0.4W + 30 Or, 0.1W = 100 So, W = 1000 Required difference = (0.75 - 0.5) × 1000 = 250
A 4 cm wire carrying a current of 15 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27...
Which law states that the induced electromotive force (e.m.f.) is proportional to the rate of change of magnetic flux linkage?
Two spherical soap bubbles of radii r1 and r2 coalesce to form a bubble of radius R. If surface tension of soap solution is T, atmospheric pressure is P...
Where is the magnetic force of a bar magnet the strongest?
The density of the liquid when heated
For CE-transistor amplifier, the audio signal voltage across the collected resistance of 3 k Ω is 3V. Assume the current amplification factor of the t...
The potential inside a charged hollow sphere is __________.
A decibel is –
A larger force on a rotating body results in larger _____.
Which of the following is the ultimate source of energy?
