In a series RL circuit, if the total sinusoidal supply voltage 'V' is 10 V and the voltage across the pure inductive coil (VL) is 8 V, what is the magnitude of the voltage across the resistor (VR)?

In an inductive circuit, a resistance of 2 Ω is connected in series with an inductor having an inductive reactance of 4 Ω. Determine the power factor of the circuit when connected to a single-phase AC supply.

A capacitor draws a reactive power of 100 VAR due to a current of 0.87 A. Determine the capacitive reactance (XC) of the capacitor.