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
คำอธิบาย
AT resonance; X\(_{L}\) = X\(_{c}\)
\(\therefore\) = V\(_{L}\) = V\(_{c}\) = 40V