Questions
In an LCR series circuit, the voltages across R, L and C at resonance are 30V, 70V and 30V respectively. The applied voltage is
a
50V
b
Zero
c
40V
d
90V
detailed solution
Correct option is A
VS=VR2+(VL−VC)2=302+(70−30)2=50V .Talk to our academic expert!
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In the series LCR circuit as shown in figure, the heat developed in 80 seconds and amplitude of wattless current is:
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