What is the resonant frequency of an RLC circuit if R is 22 ohms, L is 50 microhenries, and C is 40 picofarads?
Answer3.56 MHz
Resonance occurs where XL equals XC, with f = 1/(2π√LC). Using 50 microhenries and 40 picofarads gives about 3.56 MHz.
Amateur Extra · FCC ELEMENT 4
E5A02
Amateur Extra · FCC Element 4 · answer reveals automatically