KCET · Physics · Alternating Current
An ideal resistance \(\mathrm{R}\), ideal inductance \(\mathrm{L}\), ideal capacitance \(\mathrm{C}\) and \(\mathrm{AC}\) voltmeters \(\mathrm{V}_{1}, \mathrm{~V}_{3}\) and \(\mathrm{V}_{4}\) are connected to an AC sources as shown in figure. At resonance,
- A reading in \(V_{2}=\) reading in \(V_{3}\)
- B reading in \(V_{3}=\) reading in \(V_{1}\)
- C reading in \(V_{1}=\) reading in \(V_{2}\)
- D reading in \(V_{2}=\) reading in \(V_{4}\)
Answer & Solution
Correct Answer
(A) reading in \(V_{2}=\) reading in \(V_{3}\)
Step-by-step Solution
Detailed explanation
At resonance,
\(\therefore \mathrm{V}_{\mathrm{L}} =\mathrm{V}_{\mathrm{C}}\)
\(\therefore \mathrm{V}_{2}=\mathrm{V}_{3}\)
\(\therefore \mathrm{V}_{\mathrm{L}} =\mathrm{V}_{\mathrm{C}}\)
\(\therefore \mathrm{V}_{2}=\mathrm{V}_{3}\)
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