DP Physics (last assessment 2024)
Question 21N.1.HL.TZ0.35
Date | November 2021 | Marks available | [Maximum mark: 1] | Reference code | 21N.1.HL.TZ0.35 |
Level | HL | Paper | 1 | Time zone | TZ0 |
Command term | Question number | 35 | Adapted from | N/A |
35.
[Maximum mark: 1]
21N.1.HL.TZ0.35
The root mean square (rms) current in the primary coil of an ideal transformer is 2.0 A. The rms voltage in the secondary coil is 50 V. The average power transferred from the secondary coil is 20 W.
What is and what is the average power transferred from the primary coil?
[1]
Markscheme
C