TS EAMCET · Physics · Electromagnetic Waves
A sinusoidal voltage with a frequency of is applied to a series circuit with a resistance of , inductance of and a capacitance of . The magnitude of impedance of the circuit is close to
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
The impedance for LCR circuit is, Z=R2+XL-XC2 ∴ Z=R2+ωL-1ωC2 ∴ Z=52+2π×50×20×10-3-12π×50×500×10-62 ∴ Z≈25=5 Ω
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