In the given circuit, inductor and capacitor are ideal. Which of the following options are CORRECT.
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a
Voltage across R1 is 60 V and R2 is 80 V
b
Phase difference between voltage across inductor and voltage across capacitor is 90°
c
Phase difference between i1 and i2 is 90°
d
Current i through the source is 3A
answer is A.
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Detailed Solution
Phasor diagram tanθ=XCR=4030=43⇒θ=530∴VR1=100cos53∘=60Vi1=VZ=100402+302=10050=2Atanθ=XLR=6080=34⇒θ=370∴VR2=100cos37∘=80Vi2=VZ=100602+802=100100=1Ai=i12+i22=5 A