CBSE Class 12-science Answered
In a series RC circuit, R = 30 Ω, C = 0.25 μF, V = 100 V and ω = 1,00,000 rad /s. Find the current in the circuit and calculate the voltage across the resistor and the capacitor.
Asked by Topperlearning User | 22 Jun, 2015, 08:41: AM
Expert Answer
Given:
R = 30 Ω
C = 0.25 μF = 0.25 x 10-6 F
V = 100 V
ω = 1,00,000 = 105 rad /s
Rectance Xc =
Impedance of circuit Z =
Current in circuit I =
Voltage across resistance VR = RI = 30 × 2 =60 V
Voltage across capacitance, VC = XCI = 40 × 2 = 80V
The sum of volatages is more than the applied voltage, this is due
to the phase difference of between Voltage VR and V.
Answered by | 22 Jun, 2015, 10:41: AM
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