You are given a certain volume of copper from which you can make copper wire. To

Question

You are given a certain volume of copper from which you can make copper wire. To insulate the wire, you can have as much enamel as you like. You will use the wire to make a tightly wound solenoid 20 cm long having the greatest possible magnetic field at the center and using a power supply that can deliver a current of 5 A. The solenoid can be wrapped with wire in one or more layers.

(a) Should you make the wire long and thin or shorter and thick?

long and thin

Explain your answer.

Score: 1 out of 1

Comment:

(b) Should you make the solenoid radius small or large?

smalll

Explain your answer.

Score: 1 out of 1

*could you simply explain why the answers are so....id really appreciate it

Explanation / Answer

A) long and thin .

If we apply the force at the ends of the wire and tried to extend the wire
then the wire becomes long and thin

B) if the wire is extended the solenoid radius becomes small

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