JAMB - Physics (2021 - No. 14)
In a series R-L-C circuit at resonance, the voltages across the resistor and the inductors are 30V and 40V respectively. What is the voltage across the capacitor?
30V
40V
50V
70V
Giải thích
AT resonance; X\(_{L}\) = X\(_{c}\)
\(\therefore\) = V\(_{L}\) = V\(_{c}\) = 40V