JEE Main 2024 Physics question
In series LCR circuit, the capacitance is changed from C to 4C. To keep the resonance frequency unchanged, the new inductance should be:
Answer: (D)
Solution
LC is constant, so L′ = L/4, a reduction of 3L/4.
In series LCR circuit, the capacitance is changed from C to 4C. To keep the resonance frequency unchanged, the new inductance should be:
LC is constant, so L′ = L/4, a reduction of 3L/4.