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AC Circuits Fundamentals

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Questions and Answers

What is the impedance of the circuit at 60.0 Hz?

188 Ω

1.13 Ω

531 Ω (correct)

40.0 Ω

What is the value of XL at 10.0 kHz?

3.18 Ω

188 Ω (correct)

1.13 Ω

531 Ω

What is the current Irms at 10.0 kHz if Vrms is 120 V?

0.119 A

0.226 A

0.765 A

0.633 A (correct)

What is the inductive reactance of a 3.00 mH inductor when a 10.0 kHz AC voltage is applied?

188 Ω Signup and view all the answers

What is the formula for calculating the resonant frequency f0?

f0=1/(2π√LC) Signup and view all the answers

What is the rms current when a 120 V, 60.0 Hz AC voltage is applied to a 3.00 mH inductor?

10.62 A Signup and view all the answers

What is the value of XC at 60.0 Hz?

531 Ω Signup and view all the answers

What is the primary function of inductors and capacitors in tuning circuits?

To select signals Signup and view all the answers

What is affected by any metal object in the path of an inductive-loop detector?

The inductance of the circuit Signup and view all the answers

What is the role of the resistor in the RLC series circuit?

It increases the impedance of the circuit Signup and view all the answers

What is the purpose of inductive-loop detectors in airport security systems?

To indicate the approximate location of metal found on a person Signup and view all the answers

What is the formula to calculate the inductive reactance of an inductor?

XL = 2πfL Signup and view all the answers

What is the defining characteristic of Alternating Current (AC) circuits?

The magnitude and direction of current and voltage changes at a regular interval of time Signup and view all the answers

What is inductive reactance related to?

The magnetic field surrounding a wire or a coil carrying current Signup and view all the answers

AC Circuits Fundamentals

Choose a study mode

Podcast

Questions and Answers

What is the impedance of the circuit at 60.0 Hz?

What is the value of XL at 10.0 kHz?

What is the current Irms at 10.0 kHz if Vrms is 120 V?

What is the inductive reactance of a 3.00 mH inductor when a 10.0 kHz AC voltage is applied?

What is the formula for calculating the resonant frequency f0?

What is the rms current when a 120 V, 60.0 Hz AC voltage is applied to a 3.00 mH inductor?

What is the value of XC at 60.0 Hz?

What is the primary function of inductors and capacitors in tuning circuits?

What is affected by any metal object in the path of an inductive-loop detector?

What is the role of the resistor in the RLC series circuit?

What is the purpose of inductive-loop detectors in airport security systems?

What is the formula to calculate the inductive reactance of an inductor?

What is the defining characteristic of Alternating Current (AC) circuits?

What is inductive reactance related to?

What is the formula to calculate capacitive reactance, XC?

What is the unit of capacitive reactance, XC?

What is the rms current if the applied rms voltage is 120 V and XC is 531Ω?

What is the reactance of a 4.5 mH inductor at 1 kHz?

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