Essential Pre-Uni Physics C6a.6

How do you appraoch the following isaac physics question:
https://isaacphysics.org/questions/phys19_c6a_q6?board=964f0455-2b3f-49d3-af57-692d9ae5c293&stage=a_level

Reply 1

Eimmanuel

Study Forum Helper

Original post by rm3

How do you appraoch the following isaac physics question:
https://isaacphysics.org/questions/phys19_c6a_q6?board=964f0455-2b3f-49d3-af57-692d9ae5c293&stage=a_level

Perhaps, you want to explain what difficulties you have in attempting this question.
I think the video in Hint 2 has pretty much everything you need to answer this question.

Reply 2

rm3

Original post by Eimmanuel

Perhaps, you want to explain what difficulties you have in attempting this question.
I think the video in Hint 2 has pretty much everything you need to answer this question.

I watched and understand the video and I figured out the current to be 0.67A, but I need to find the emf to solve for the resistance.