Question: # 5 - Magnetic Induction: A circular loop of wire of resistance 0 . 2 ohms encloses an area of 0 . 5 square
# Magnetic Induction: A circular loop of wire of resistance ohms encloses an area of square meters and lies flat on a wooden table as shown below. A magnetic field that varies with time t as shown below is perpendicular to the table. A positive value of B represents a field directed up from the surface of the table; a negative value represents a field directed into the tabletop.
a Calculate the value of the magnetic flux through the loop at time t seconds.
b Calculate the magnitude of the emf induced in the loop during the time interval mathrmt to seconds.
c On the axes below, graph the current I through the coil as a function of time t and put appropriate numbers on the vertical scale. Use the convention that positive values of I represent counterclockwise current as viewed from above.
d Draw a diagram of the magnetic field generated by the loop when it has current flowing through is in the
clockwise direction, as viewed from above.
e If you were to place a bar magnet above the loop with the current described in part d describe bow the
magnet would respond to the field of the loop, both in terms of translational and rotational motion. You should
have a diagram as a part of your answer here.
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