physics Imagine a magnet impended in n clear fluid and allowed to rotate in all

Question

physics Imagine a magnet impended in n clear fluid and allowed to rotate in all directions The fluid in in a clear container and you can observe the magnet suspended in the liquid .sitting on a table here in the UALR Physics Laboratory. The magnet is clearly and correctly marked N and S, indicating its Magnetic North Pole and Magnetic South Pole. Again, assuming the magnet were free to orient itself in the earth's magnetic field, you would find that It would assume a horizontal orientation with its N-pole facing the geographic north It would assume a horizontal orientation with its S-pole facing the geographic north It would orient mostly downward with its N-pole downward It would orient mostly downward with its N-pole upward It would assume a perfectly vertical orientation with its N-pole downward. If you want to increase the strength of the magnetic field inside a solenoid, it is better to double the number of loops, keeping the length the same double the length, keeping the number of loops the same For the cow magnet that you used in the Week 5 laboratory, predict the magnetic field value 5.0 cm from the centcr of the cow magnet along its axis. Show your work here.

Explanation / Answer

the magnetic field inside solenoid is

B = u_0 n I = u_0 ( N/ L) I

double the number of loops keeping lenght same will increase the magnetic field inside solenoid

so (a) is correct

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