# Electricity help

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Thread starter 1 year ago
#1
It’s question 3bii2 on this

https://pmt.physicsandmathstutor.com...03%20%20QP.pdf

I don’t know how to get 3 v I’m so confused like these are the answers
https://pmt.physicsandmathstutor.com...03%20%20MS.pdf

They just add currents? How did they work out the currents
0
1 year ago
#2
Look at graph for 3V, you see thermistor takes 0.2A and the resistor 0.4A.
In parallel they both have same pd (3V) and current in circuit is sum of current in branches (0.6A), so it all works
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Thread starter 1 year ago
#3
omg thanks
(Original post by old_teach)
Look at graph for 3V, you see thermistor takes 0.2A and the resistor 0.4A.
In parallel they both have same pd (3V) and current in circuit is sum of current in branches (0.6A), so it all works
0
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