TS EAMCET · Physics · Electromagnetic Waves
A resistor of and a capacitor are connected in series with an current source of What should be the capacitance to produce a phase difference of between the voltage and current?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Capacitive reactance is given by, XC=1ωC ⇒XC=12×π×f×C ⇒XC=12×π×50×C=1100π×C Impedance of the circuit is given by, Z=R2+XC2 ...1 Power factor is given by, cosϕ=RZ ⇒cos30°=20Z…
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