A series RLC circuit is driven at a frequency equal to 0.70
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
A series RLC circuit is driven at a frequency equal to 0.70 f0, where f0 is its resonant frequency. Which statement is correct about the reactances at this driving frequency?
(a) XL>XC ; the circuit behaves inductively
(b) XL<XC ; the circuit behaves capacitively
(c) XL=XC ; the circuit is purely resistive
(d) XL<XC ; the circuit behaves inductively