An alternating current is set up in an LRC circuit. For which of the following circuit elements are the current and voltage in phase?O A. inductor onlyO B. inductor, resistor, and capacitorOC. capacitor onlyD. resistor only hich of the following phrases best describes the term impedance?A. the resistance of a capacitorB. the resistance of an inductorC. the internal resistance of a battery within an LRC circuitD. the generalized expression that combines all resistances within a circuit

In case of R circuit voltage and current remain in same phase. In case of C circuit Voltage lags…

An alternating current is set up in an LRC circuit. For which of the following circuit elements are the current and voltage in phase? O A. inductor only O B. inductor, resistor, and capacitor OC.capacitor only O D. resistor only

An alternating current is set up in an LRC circuit. For which of the following circuit elements are the current and voltage in phase? O A. inductor only O B. inductor, resistor, and capacitor OC.capacitor only O D. resistor only

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter33: Alternating Current Circuits

Section: Chapter Questions

Problem 33.5OQ

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Concept explainers

Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention. 

Question

An alternating current is set up in an LRC circuit. For which of the following circuit elements are the current and voltage in phase?
O A. inductor only
O B. inductor, resistor, and capacitor
OC. capacitor only
D. resistor only

hich of the following phrases best describes the term impedance?
A. the resistance of a capacitor
B. the resistance of an inductor
C. the internal resistance of a battery within an LRC circuit
D. the generalized expression that combines all resistances within a circuit

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