A-level Physics · emf and internal resistance
emf and internal resistance
Use ε = I(R + r) to find the terminal pd or current, or the internal resistance from readings.
0 correct out of 0Streak: 0
Question 1
A cell of emf 3.0 V and internal resistance 1.5 Ω is connected in series with a resistor of resistance 22 Ω. Calculate the current in the circuit. Give your answer to 3 significant figures.
Your progress is kept on this device only. Nothing you type is sent to us.
Stop spending Sunday on Monday's lesson.
Free to start, no card. Your first lesson is about two minutes away.