✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
Which of the following statements is \textit{not} true for electric energy in ac form compared to that in dc form ?
A
Production of ac is economical.
B
ac can be easily and efficiently converted from one voltage to the other.
C
ac can be transmitted economically over long distances.
D
ac is less dangerous.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-5 | Set 1 | Question 5 |
| CBSE 2026 | Series 55-5 | Set 2 | Question 10 |
| CBSE 2026 | Series 55-5 | Set 3 | Question 6 |
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)