Quiz on RLC Circuits

What does an RLC circuit consist of?

• Resistor, capacitor, and inductor

• Resistor and capacitor only

• Resistor and inductor only

• Inductor and capacitor only

In an RLC circuit, what is the unit of impedance?

• Ohm

• Farad

• Henry

• Ampere

At resonance, the impedance of a series RLC circuit is:

• Zero

• Equal to resistance

• Infinite

• Equal to reactance

What happens to the current in a series RLC circuit at resonance?

• It becomes maximum

• It becomes minimum

• It is zero

• It is constant

In a parallel RLC circuit, at resonance, the circuit behaves as:

• A purely inductive circuit

• A purely resistive circuit

• A purely capacitive circuit

• An open circuit

In a series RLC circuit, if the inductive reactance is greater than the capacitive reactance, the circuit is:

• Capacitive

• Inductive

• Resistive

• Resonant

What is the effect of increasing resistance in a series RLC circuit on its bandwidth?

• Bandwidth increases

• Bandwidth decreases

• Bandwidth remains the same

• Bandwidth becomes zero

What is the total impedance in a series RLC circuit?

In an RLC circuit, if the inductive reactance equals the capacitive reactance, the circuit is:

• Overdamped

• Under resonance

• In resonance

• Oscillating

The inductive reactance is given by: