Alternating Current and Voltage

The peak voltage across R₂ in the given circuit equals _____.

A 7.2 V

B 10.18 V

C 8.8 V

D 8 V

ANS:B - 10.18 V

Vrms=20v.
Vm=1.414*Vrms.
Vm=1.414*20=28.3v.

Vr2=Vm*(R2/R1+R2+R3).
=28.3*(180/180+100+220).
=10.18v.

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