CAIE A-Level Physics AS 9.2.3 P Vi P I 2r and P V 2 R Questions
Use P = VI, P = I²R and P = V²/R to calculate electrical power.
- Syllabus
- 2028–2030
- Course
- Physics 9702
- Level
- AS
Use P = VI, P = I²R and P = V²/R to calculate electrical power.
The diagram shows four identical resistors connected in a circuit.
Which resistor dissipates the most power?
A