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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

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