RLC and Filter Realms

Froggy Jumps

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LR, CR, LCR filters basics

Created by

Akhil Benny

India

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Froggy Jumps RLC and Filter RealmsOnline version LR, CR, LCR filters basics by Akhil Benny 1 Which component sets the high-frequency gain in an LR high-pass filter? a Capacitor acts as open at high freq b Inductor impedance increasing with frequency c Source resistance dominates at all frequencies 2 For a CR low-pass filter, what happens to output as frequency increases? a Output stays constant b Output attenuates (drops) c Output increases 3 In an LCR band-pass circuit, which component mainly determines the center frequency? a Resistor value b Inductor and capacitor values (LC pair) c Load impedance only 4 What is the transfer function form of a simple LR high-pass filter? a Vout/Vin = R/(R + 1/sC) b Vout/Vin = 1/(1 + sRC) c Vout/Vin = sL/(R + sL) 5 Which condition yields a series LCR circuit as a band-pass filter? a No resonance occurs b Series resonance at ω0 = 1/√LC c Parallel resonance at ω0 6 In a CR low-pass filter, how does a larger capacitor affect the cutoff frequency? a Cutoff decreases b No change c Cutoff increases 7 Which factor primarily determines the bandwidth of an RLC band-pass circuit? a Ambient temperature only b Supply voltage c Q factor and component tolerances 8 What is the key feature of a high-pass LR circuit in impedance terms? a Capacitor dominates at all freq b Resistor dominates at high freq c Inductor impedance rises with frequency 9 If you want a narrow band-pass, which tactic helps in an LCR circuit? a Increase load resistor b Use a smaller supply voltage c Increase Q by choosing high-Q LC and suitable R 10 Which graph best represents a low-pass filter response? a Magnitude constant across all frequencies b Magnitude increases with frequency c Magnitude decreases with frequency above cutoff

Froggy Jumps

RLC and Filter RealmsOnline version

LR, CR, LCR filters basics

by Akhil Benny

Which component sets the high-frequency gain in an LR high-pass filter?

Capacitor acts as open at high freq

Inductor impedance increasing with frequency

Source resistance dominates at all frequencies

For a CR low-pass filter, what happens to output as frequency increases?

Output stays constant

Output attenuates (drops)

Output increases

In an LCR band-pass circuit, which component mainly determines the center frequency?

Resistor value

Inductor and capacitor values (LC pair)

Load impedance only

What is the transfer function form of a simple LR high-pass filter?

Vout/Vin = R/(R + 1/sC)

Vout/Vin = 1/(1 + sRC)

Vout/Vin = sL/(R + sL)

Which condition yields a series LCR circuit as a band-pass filter?

No resonance occurs

Series resonance at ω0 = 1/√LC

Parallel resonance at ω0

In a CR low-pass filter, how does a larger capacitor affect the cutoff frequency?

Cutoff decreases

No change

Cutoff increases

Which factor primarily determines the bandwidth of an RLC band-pass circuit?

Ambient temperature only

Supply voltage

Q factor and component tolerances

What is the key feature of a high-pass LR circuit in impedance terms?

Capacitor dominates at all freq

Resistor dominates at high freq

Inductor impedance rises with frequency

If you want a narrow band-pass, which tactic helps in an LCR circuit?

Increase load resistor

Use a smaller supply voltage

Increase Q by choosing high-Q LC and suitable R

Which graph best represents a low-pass filter response?

Magnitude constant across all frequencies

Magnitude increases with frequency

Magnitude decreases with frequency above cutoff

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RLC and Filter Realms

Froggy Jumps

About this activity

Created by

Download the paper version to play

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RLC and Filter RealmsOnline version

by Akhil Benny

Which component sets the high-frequency gain in an LR high-pass filter?

For a CR low-pass filter, what happens to output as frequency increases?

In an LCR band-pass circuit, which component mainly determines the center frequency?

What is the transfer function form of a simple LR high-pass filter?

Which condition yields a series LCR circuit as a band-pass filter?

In a CR low-pass filter, how does a larger capacitor affect the cutoff frequency?

Which factor primarily determines the bandwidth of an RLC band-pass circuit?

What is the key feature of a high-pass LR circuit in impedance terms?

If you want a narrow band-pass, which tactic helps in an LCR circuit?

Which graph best represents a low-pass filter response?

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