Alternating Current

Reactance of a capacitor of capacitance C µF for A.C freqency (400 / π) Hz is 25 ohm

Reactance of a capacitor of capacitance C µF for A.C freqency (400 / π) Hz is 25 ohm. The value…

An A.C source is rated at 220 V, 50 Hz. The time taken for voltage to change

An A.C source is rated at 220 V, 50 Hz. The time taken for voltage to change from its peak…

A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery

A coil of resistance 20 ohm and inductance 5H is connected with a 100 V battery. Energy stored in the…

If alternating source of primary coil on transformer is replaced by a Laclanche cell

If alternating source of primary coil on transformer is replaced by a Laclanche cell, the induced e.m.f in secondary coil…

In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V

In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V. The…

A resistance of 20 ohm is connected to a source of an alternating potential V

A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time…