In a Series LRC Circuit,the Frequency at Which the Circuit

Multiple Choice

In a series LRC circuit,the frequency at which the circuit is at resonance is f₀.If you double the resistance,the inductance,the capacitance,and the voltage amplitude of the ac source,what is the new resonance frequency?

A) 4 f₀
B) 2 f₀
C) f₀
D) f₀/2
E) f₀/4