Question

The correct expression for the instantaneous current if instantaneous voltage is Vm(sint) in an inductive circuit is?

a.

i = Vm(sint)/Xₗ

b.

i = Vm(cost)/Xₗ

c.

i = -Vm(sint)/Xₗ

d.

i = -Vm(cost)/Xₗ

Answer: (d).i = -Vm(cost)/Xₗ

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The correct expression for the instantaneous current if instantaneous voltage is Vm(sint) in an inductive circuit is?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Inductor does not allow sudden changes in?

Q. Inductance is _____________________ to number of turns in the coil.

Q. Choke involve use of _____________

Q. What is the value of current in an inductive circuit when there is no applied voltage?

Q. What is the current in an inductive circuit when the applied voltage is maximum?

Q. In an inductive circuit, the voltage_______ the current?

Q. In an inductive circuit, the current________ the voltage?

Q. In which device inductor cannot be used?

Q. 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.

Q. 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.

Q. 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 voltage across the resistor.

Q. 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 voltage across the inductor.

Q. A resistance of 7 ohm is connected in series with an inductance of 31.8mH. The circuit is connected to a x V 50Hz sinusoidal supply. The current in the circuit is 8.2A. Calculate the value of x.

Q. Which, among the following, is the correct expression for φ.

Q. For an RL circuit, the phase angle is always ________

Q. What is φ in terms of voltage?

Q. What is sinϕ from impedance triangle?

Q. What is the resonance frequency of ac circuit?

Q. What is impedance at resonance?

Q. What is the value of impedance at resonance?

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Electrical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!