In the series a c circuit shown above the p d a... - JAMB Physics 1999 Question
In the series a.c circuit shown above, the p.d across the inductor is 8Vr.m.s and that across the resistor is 6Vr.m.s. The effective voltage is
A
2V
B
10V
C
14V
D
48V
correct option: b
The effective V =
√ VR2 + VL2
=
√ 62 + 82
=
√ 36 + 64
=
√ 100
10V
√ VR2 + VL2
=
√ 62 + 82
=
√ 36 + 64
=
√ 100
10V
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