An rlc circuit with a high q factor has a narrow resonance curve.(t/f)
at resonance, the impedance of a series rlc circuit equals the resistance r.
at resonance, the current and generator voltage are in phase.

1.T

2.T

3.T

Explanation:

1.

As we know that bandwidth of the resonance(Δω) and the quality factor(Q) given as

So when quality factor(Q)  increases then curve will become narrow.

2.

The impedance of RLC circuit given as

Where

Xc=Capacitance reactance

XL=Inductance reactance

R=Resistance

At resonance Xc= XL

So

Z= R

3.

As we know that phase angle given as

At resonance Xc= XL

So Φ = 0°

It means that ,the current and generator voltage are in phase.

So the all statements are true.

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