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Resonance in AC Circuits Online Exam Quiz

Important questions about Resonance in AC Circuits. Resonance in AC Circuits MCQ questions with answers. Resonance in AC Circuits exam questions and answers for students and interviews.

Options

A : a. 5

B : b. 50

C : c. 100

D : d. 500

Options

A : a. Hz

B : b. kHz

C : c. MHz

D : d. No unit

What happens to the quality factor when the bandwidth increases?

Options

A : a. Increases

B : b. Decreases

C : c. Remains the same

D : d. Becomes zero

What happens to the quality factor when resonant frequency increases?

Options

A : a. Increases

B : b. Decreases

C : c. Remains the same

D : d. Becomes zero

Resonance frequency occurs when __________________

Options

A : a. X?=Xc

B : b. X?>Xc

C : c. X?<Xc

D : d. Cannot be determined

The current leads the supply voltage in a series RLC circuit has its frequency _________ the resonant frequency.

Options

A : a. Above

B : b. Below

C : c. Equal to

D : d. Cannot be determined

Options

A : a. 0

B : b. 1

C : c. Infinity

D : d. 100

The current lags the supply voltage in a series RLC circuit has its frequency _________ the resonant frequency.

Options

A : a. Above

B : b. Below

C : c. Equal to

D : d. Cannot be determined

Options

A : a. Q=BW*fr

B : b. Q=BW/fr

C : c. Q=fr/BW

D : d. Q=fr²

Quality factor is also known as _________

Options

A : a. Voltage magnification

B : b. Current magnification

C : c. Resistance magnification

D : d. Impedance magnification

At resonance condition, the voltage across the capacitor and inductor is _________ the source voltage.

Options

A : a. Greater than

B : b. Less than

C : c. Equal to

D : d. Much less than

Options

A : a. 100V

B : b. 10V

C : c. 1000V

D : d. 0V

Options

A : a. 10

B : b. 20

C : c. 30

D : d. 40

Options

A : a. 10V

B : b. 200V

C : c. 100V

D : d. 90V

Options

A : a. 100V

B : b. 20V

C : c. 2000V

D : d. 0V

Options

A : a. 10

B : b. 20

C : c. 30

D : d. 40

Options

A : a. 10V

B : b. 200V

C : c. 100V

D : d. 90V

What happens to the voltage across the capacitor when the Q factor increases?

Options

A : a. Increases

B : b. Decreases

C : c. Remains the same

D : d. Becomes zero

What happens to the voltage across the inductor when the Q factor decreases?

Options

A : a. Increases

B : b. Decreases

C : c. Remains the same

D : d. Becomes zero

The energy stored in the capacitor is of _________ nature.

Options

A : a. Electrostatic

B : b. Magnetic

C : c. Neither electrostatic nor magnetic

D : d. Either electrostatic or magnetic