12. Part A. If you are above a coil lying flat on a table that has a magnetic fi

Question

12. Part A.

If you are above a coil lying flat on a table that has a magnetic field going into the table, and Igor, your trusty minion , flips a switch, turning off the magnetic field. In which direction would you observe an induced current?

A) Counterclockwise B) No Induced Current C) Counterclockwise then Clockwise then it stops D) Clockwise

Please expain the process of finding the answer.

Part B. if you have halve the inductance and capacitance in an LRC circuit how will this affect the reasonate frequency?

A) No affect B) Halve C) Double D) Quadruple E) Quarter

Please explain again.

Thank you.

Explanation / Answer

part A

D) Clockwise ( current will be induced opposite to the change in flux)

Part B

C) Double

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