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A set of jumper cables used to start a car from another car's battery is connected...

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Physics

A set of jumper cables used to start a car from another car'sbattery is connected to the terminals of bothbatteries.  

If 20 A of current exists in the cables during the startingprocedure and the cables are parallel and 20 cm apart, do the wiresrepel or attract?

If 20  of current exists in the cables during thestarting procedure and the cables are parallel and20  apart, do the wires repel or attract?

attract
repel

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Correct

Part B

Explain.

Essay answers are limited to about 500 words (3800 charactersmaximum, including spaces).

3800 Character(s) remaining

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Part C

What is the magnetic field strength that each wire produces atthe location of the other?

Express your answer using two significant figures.

B

B

=

nothing

  T  

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Part D

What is the force per unit length on the cables?

Express your answer using two significant figures.

F/L

F / L

=

nothing

  N/m  

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