The total impedance of a series RLC circuit:

The total impedance of a parallel RLC circuit:

A

always increases as the applied frequency increases

B

is equal to the sum of the values of resistance, inductive reactance and capacitive reactance

C

always decreases as the applied frequency increases

D

is maximum at the resonant frequency

E

None of the above

In a series RLC circuit, the larger reactance determines the net reactance of the circuit.

A

True

B

False

In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.

A

True

B

False

একটি RLC এসি (AC) সার্কিটে Resonance অবস্থায় Impedance (ইম্পিডেন্স) কত?

A

I2R

B

R2+X2

C

Z=R2+Xc2

D

Z=R

Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.

A

True

B

False

If the value of C in a series RLC circuit is decreased, the resonant frequency increases

A

True

B

False

Which one of the following statements best applies to a series RLC circuit?

A

The voltage waveform for each component always has the same amplitude and phase as the applied voltage

B

The current waveform for each component always has the same amplitude and phase as the applied current

C

All of the above

D

The sum of the current is always less than the applied current

E

None of the above

When a series RLC circuit is operating at its resonant frequency:

A

capacitive reactance is greater than the inductive reactance

B

inductive reactance is greater than the capacitive reactance

C

inductive reactance is equal to the capacitive reactance

D

the difference between inductive and capacitive reactance is equal to the resistance

E

None of the above

If the value of C in a series RLC circuit is decreased, the resonant frequency

A

Is not affected

B

Increases

C

Is reduced to zero

D

Decreases

In a series RLC circuit that is operating above the resonant frequency, the current

A

Lags the applied voltage

B

Leads the applied voltage

C

Is in phase with the applied voltage

D

Is zero

The total impedance of a series RLC circuit:

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