(a) A student cames out an expenment and plots the V-I graph of three resistors 1, 2 and 3 respectively. Explain, how we can determine the resistance (R) of these resistors from the graph? Of the three resistors, which one will have higher resistance value? Explain. IA 3 I, (b) A suspended glass rod is rubbed with a piece of silk. What type of charge is on each material after rubbing? What happens if the silk is brought close to the glass rod?

University Physics Volume 2
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ISBN:9781938168161
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Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 71AP: A student makes a homemade resistor from a graphite pencil 5.00 cm long, where the graphite is 0.05...
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(a) A student cames out an expenment and plots the V-I graph of
three resistors 1, 2 and 3 respectively. Explain, how we can
determine the resistance (R) of these resistors from the graph?
Of the three resistors, which one will have higher resistance
value? Explain.
IA
3
I,
(b) A suspended glass rod is rubbed with a piece of silk. What type of charge is on each material after rubbing? What
happens if the silk is brought close to the glass rod?
Transcribed Image Text:(a) A student cames out an expenment and plots the V-I graph of three resistors 1, 2 and 3 respectively. Explain, how we can determine the resistance (R) of these resistors from the graph? Of the three resistors, which one will have higher resistance value? Explain. IA 3 I, (b) A suspended glass rod is rubbed with a piece of silk. What type of charge is on each material after rubbing? What happens if the silk is brought close to the glass rod?
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