Calculate the amount of charge on capacitor of 4$$\mu$$F. The internal resistance of battery is 1$$\Omega$$ :

Moment of inertia of a square plate of side l about the axis passing through one of the corner and perpendicular to the plane of square plate is given by :

For a transistor in CE mode to be used as an amplifier, it must be operated in :

An ideal gas is expanding such that PT³ = constant. The coefficient of volume expansion of the gas is :