✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
In a series LCR circuit connected to an ac source of voltage $V$ and frequency $\omega$, the power loss at resonance is :
A
$I^2 \omega L$
B
$V^2 / (\omega C)$
C
$V^2 / R$
D
$V^2 / (\omega L - \frac{1}{\omega C})$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-7 | Set 1 | Question 6 |
| CBSE 2026 | Series 55-7 | Set 2 | Question 3 |
| CBSE 2026 | Series 55-7 | Set 3 | Question 11 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)