1.

The wires which connectthe battery of an automobile to its starting motor carry a current of300 A (for a short time). What is the force per unit length betweenthe wires if they are 70 cm long and 1.5 cm apart? Is the forceattractive or repulsive?

Answer»

The wires which connect
the battery of an automobile to its starting motor carry a current of
300 A (for a short time). What is the force per unit length between
the wires if they are 70 cm long and 1.5 cm apart? Is the force
attractive or repulsive?



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