i think its because potential difference is the difference in how much energy charge carriers have before and after a resistor - this is why a voltmeter has to be placed in parallel.
energy/ voltage from charge carriers in turned into heat in going through a resistor, and so the greater the resistance, the more energy is used up, and the greater the potential difference measured across a resistor will be.
energy/ voltage from charge carriers in turned into heat in going through a resistor, and so the greater the resistance, the more energy is used up, and the greater the potential difference measured across a resistor will be.
Quick Reply
Related discussions
- Why does potential difference increase when resistance increases?
- Help with this DC Circuits question?
- Potential Divider question
- A level physics electricity
- AQA A Level Chemistry Electrochemical Cells
- Really stuck on this electricity physics question. Please help!
- help! two quick Dc electricity questions
- A level Physics Uncertainty MCQ help!
- IGCSE Physics Current ratio
- GCSE physics question circuits
- As temperature increases, what the hell happens to current and resistance??
- How to ground Anti-Static Wrist Strap?
- Help with biology questions
- Drift Velocity Q
- OCR A Physics 2018 paper 2 capacitors
- Electricity
- Physics A G482 EWP Unofficial mark Scheme
- Isaac Physics C4a.6 Help please
- Material Selection for Tents
- In what circumstance would a variable resistor be unaccepted to vary voltage?
