A voltmeter reads 80V when connected across the terminals of AC voltage source with frequency f = 100Hz : What is the RMS value of the voltage in the above case?

A voltmeter reads 80V when connected across the terminals of AC voltage source with frequency f = 100Hz : If the above voltage is connected across a (40 Omega) resistor find the current through the resistor. How will the current change if the same voltage is applied at 100kHz (1kHz = 1000 Hz)?

A voltmeter reads 80V when connected across the terminals of AC voltage source with frequency f = 100Hz :Write the equation of the instantaneous voltage provided by the source

The instantaneous emf of an ac source is given by V = 300 sin 100 pi t volt . What is the rms value of voltage? and frequency of ac?

A coil of resistance 400 Omega and inductance 0.5 H is connected across an alternating voltage of frequency 100 Hz. Calculate the phase difference between voltage and current in the circuit.

The voltage In a circuit, V = 10. sin 100 pit :- What is the peak value?

The voltage In a circuit, V = 10. sin 100 pit :-What is the r.m.s value?

Peak value of the voltage in a circuit V=10 sin 100 pit is 10 V:-What is the r.m.s value?

The peak voltage of an ac supply is 300V. What is the rms voltage?