The average ac current delivered to a circuit is zero.Despite this, power is dissipated in the circuit. How canthis be?The power is being dissipated in the magnetic field that isassociated with the current in the circuitO The power is being dissipated in both the electic and magneticfields that are associated with the currents and voltages in thecircuitO The power is being dissipated in the electric field that isassociated with the voltage in the circuitThe power dissipated in the circuit is proportional to thesquare of current, which is greater than or equal to zero.

The relation for the average power dissipated in an ac circuit is given by, P=VrmsIrmscosθ Here, P…

Answered: The average ac current delivered to a…

The average ac current delivered to a circuit is zero. Despite this, power is dissipated in the circuit. How car this be?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 61P: A 120-V, series-wound motor has a field resistance of 80 and an armature resistance of 10. When it...

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Question

The average ac current delivered to a circuit is zero.
Despite this, power is dissipated in the circuit. How can
this be?
The power is being dissipated in the magnetic field that is
associated with the current in the circuit
O The power is being dissipated in both the electic and magnetic
fields that are associated with the currents and voltages in the
circuit
O The power is being dissipated in the electric field that is
associated with the voltage in the circuit
The power dissipated in the circuit is proportional to the
square of current, which is greater than or equal to zero.

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