a) What is meant by the "resistance of a conductor"? Write the relation between resistance, potential difference, and current. b) When a 12V battery is connected across an unknown resistor, there is a current of 2.5mA in the circuit. Calculate the value of the resistance of the resistor.

a) What is meant by the "resistance of a conductor"? Write the relation between resistance, potential difference, and current. b) When a 12V battery is connected across an unknown resistor, there is a current of 2.5mA in the circuit. Calculate the value of the resistance of the resistor.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 67PQ

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Question

a) What is meant by the "resistance of a conductor"? Write the relation
between resistance, potential difference, and current.
b) When a 12V battery is connected across an unknown resistor, there is a
current of 2.5mA in the circuit. Calculate the value of the resistance of the
resistor.

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