Skip to main content
Sign in Register
Question no. 25171

Within a general R-L-C circuit_________?

Select your answer for: Within a general R-L-C circuit_________?
Show answer

Answer: E. all above are correct

Explanation

Resistors consume active power calculated as the square of current times resistance. Inductors and capacitors continuously exchange reactive power with the AC supply source. Resistive components dissipate energy as heat rather than returning it to the supply. General RLC circuits combine resistance, inductance, and capacitance in series or parallel. AC circuit theory integrates active and reactive power exchanges across all components. Conservation of energy applies to all electrical power distribution networks.

Comprehensive power analysis requires examining all circuit components simultaneously. Electrical engineers design networks considering both energy dissipation and storage. Advanced circuit theory encompasses resistive losses and reactive energy oscillations. Selecting only one correct statement ignores the other equally valid principles. Partial answers fail to capture the complete behavior of general RLC networks. All listed statements accurately describe energy phenomena in RLC circuits.

Subject
Engineering
Topic
—
Difficulty
medium

Related questions

Q1. In an ideal pure inductive circuit__________?

Select your answer for: In an ideal pure inductive circuit__________?
Show answer

Answer: A. actual power is zero

An ideal pure inductor does not contain any resistance to dissipate real power. Active power consumption in a purely reactive component averages out to zero over time. Power flows back and forth between the source and th...

Q2. Why is a floating neutral undesirable in a three-phase supply system, as it may lead to___________?

Select your answer for: Why is a floating neutral undesirable in a three-phase supply system, as it may lead to___________?
Show answer

Answer: C. unequal line voltages across the load

A floating neutral in an unbalanced three-phase supply leads to unequal and fluctuating line-to-neutral voltages across the load. Without a secure neutral connection, the star point shifts to balance power, causing sever...

Q3. In a circuit characterized by high capacitance, what occurs to the__________?

Select your answer for: In a circuit characterized by high capacitance, what occurs to the__________?
Show answer

Answer: C. reactive power is more than the actual power

Capacitive circuits with low resistance generate high reactive power relative to real power. Capacitors store and release electrical energy, contributing large reactive volt-amperes. Low resistive losses mean active powe...

Q4. At the resonant frequency in a series L-C circuit, what happens to the__________?

Select your answer for: At the resonant frequency in a series L-C circuit, what happens to the__________?
Show answer

Answer: A. current is maximum

At resonance, inductive and capacitive reactances cancel each other out completely. Minimum circuit impedance occurs at resonance in a series RLC network. According to Ohm's law, minimum impedance results in maximum curr...

Q5. Doubling the inductance while halving the capacitance in a series resonant circuit causes what effect__________?

Select your answer for: Doubling the inductance while halving the capacitance in a series resonant circuit causes what effect__________?
Show answer

Answer: D. will increase the selectivity of the circuit

Changing L and C parameters while keeping the resonant frequency constant affects the characteristic impedance and increases circuit selectivity (Q-factor). Doubling inductance while halving capacitance keeps the product...

Q6. When analyzing an unsymmetrical alternating current, over what interval must the average value always be computed__________?

Select your answer for: When analyzing an unsymmetrical alternating current, over what interval must the average value always be computed__________?
Show answer

Answer: D. the whole cycle

Unsymmetrical waveforms lack positive and negative half-cycle symmetry. Calculating the average value requires integrating over a complete periodic cycle. Averaging over a partial interval would yield inaccurate and misl...