Alternating Current and Voltage

What is the peak voltage across R₃ in the given circuit?

A 1.2 V

B 5 V

C 7 V

D 12 V

ANS:B - 5 V

Vp=Vr1+Vr2+Vr3
Hence, Vr3=12-(1.2+5.8)
= 5V

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