Two series LCR circuits are constructed as follows: Circuit A: , Circuit B: , What is…

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Two series LCR circuits are constructed as follows: Circuit A:

L_A = 0.50\,\text{H}

C_A = 2.0\,\mu\text{F}

Circuit B:

L_B = 0.20\,\text{H}

C_B = 8.0\,\mu\text{F}

What is the ratio of their resonant frequencies

f_A : f_B

? (a)

1.60 : 1

(b)

1.26 : 1

(c)

2.00 : 1

(d)

0.79 : 1