Answered: A battery applies an EMF of 30 V and…

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.9OQ: When resistors with different resistances are connected in parallel, which of the following must be...

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Question

A battery applies an EMF of 30 V and has an internal resistance of 1.6 Ohms. The battery is connected to three 9.7 Ohm resistors in parallel with eachother. What is the voltage drop across one of the resistors? Answer in volts.

Question 7 options:

A) 6.21E+00

B) 9.48E+00

C) 2.58E+01

D) 3.00E+01

E) 2.01E+01

F) 9.77E-01

G) 9.28E+00

H) None of these answers.

Two straight wires of length 2.75 m, carrying identical 21 A currents lie parallel to eachother on a table top and carry antiparallel currents. The wires are separated by 25 cm. What is the magnitude of the force between the wires? Answer in Newtons.

Question 8 options:

	A) 9.70E-04
	B) 4.62E-05
	C) 9.70E-06
	D) 0.00E+00
	E) 3.53E-04
	F) 3.53E+03
	G) 6.10E-03
	H) None of these answers.

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