Date | November 2020 | Marks available | 1 | Reference code | 20N.1.HL.TZ0.18 |
Level | Higher level | Paper | Paper 1 | Time zone | 0 - no time zone |
Command term | Question number | 18 | Adapted from | N/A |
Question
An electrical power supply has an internal resistance. It supplies a direct current to an external circuit for a time . What is the electromotive force (emf) of the power supply?
A.
B.
C.
D.
Markscheme
A
Examiners report
[N/A]