For the network given in figure below, the Thevenin's voltage V_ab is

The initial charge in the 1 F capacitor present in the circuit shown is zero. The energy in joules transferred from the DC source until steady state condition is reached equals ______. (Give the answer up to one decimal place.)

The mean square value of the given periodic waveform f(t) is_________.

In the circuit shown below, the value of capacitor C required for maximum power to be transferred to the load is