Calculate the crest factor if the peak value of current is 10A and the rms value is 2A.

• 5

• 10

• 5 A

• 10 A

If maximum value of current is 5√2 A, what will be the value of RMS current?

• 10 A

• 5 A

• 15 A

• 20 A

What is the correct expression for the form factor?

• I_rms * I_av

• Im/√2

• I_rms / I_av

• 2I_m/π

A resistance of 7 ohm is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the current in the circuit.

• 2.2A

• 4.2A

• 6.2A

• 8.2A

A resistance of 7 ohm is connected in series with an inductance of 31.8mH. The circuit is connected to a 100V 50Hz sinusoidal supply. Calculate the phase difference.

• -55.1

• 55.1

• 66.1

• -66.1

In ac circuit, resistance 5 ohm is connected with capacitor having capacitive reactance 12 ohm. Supply of 260 V is connected to the circuit. Calculate the current in the circuit.

• 40 A

• 10 A

• 20 A

• 30 A

If in an alternating current circuit, capacitance of 30 µF is connected to a supply of 200V,50Hz. Find the current in the circuit

• 1.38 A

• 1.89 A

• 1.74 A

• 0.89 A

Find the resonant frequency ω for given RLC circuit

What is the value of current at resonance in RLC series ckt

• Zero

• Maximum

• Minimum

• Infinite