The voltage drop V ab across each of resistors A and B was measured as a function

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The voltage drop Vabacross each of resistors A and B was measured as a function of the current I in the resistor. The results are shown in the table:

Resistor A I (A) Vab (V) 0.50 1.00 2,00 4.00 2.55 3.11 3.77 4.58 Resistor B 0.50 1.00 2.00 4.00 I (A) Vab (V) 1.94 3.88


(a) For each resistor, graph Vab as a function of I and graph the resistance R = Vab/I as a function of I.

(b) Does resistor A obey Ohm€™s law? Explain.

(c) Does resistor B obey Ohm€™s law? Explain.

(d) What is the power dissipated in A if it is connected to a 4.00-V battery that has negligible internal resistance?

(e) What is the power dissipated in B if it is connected to the battery?

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University Physics with Modern Physics

ISBN: 978-0133977981

14th edition

Authors: Hugh D. Young, Roger A. Freedman

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