Question

The next three questions pertain to the situation described below. z axis into page Field shown at t = 0 s Bz(T) 10 5 0 -5 -10 1 2 3 4 5 t(s) A 7 cm x 20 cm rectangular loop of wire with a net resistance of 40 ? is oriented perpendicular to the z axis. Before time t = 0, a 5 T uniform magnetic field exists in the +z direction (into the page) as shown in the figure. For all other times, the strength of the field is given by the curve to the right. 9) Which way is the current flowing in the wire loop at time t = 2 s? ? Clockwise ? No current flows then ? Counter-clockwise 10) What is the value of the magnetic flux through the loop at time t = 0.5 s? ? ? = 0 10^-3 Tm^2 ? ? = 140 10^-3 Tm^2 ? ? = 35 10^-3 Tm^2 ? ? = 21 10^-3 Tm^2 ? ? = 70 10^-3 Tm^2 11) Which way is the current flowing in the wire loop at time t = 3 s? ? No current flows then ? Clockwise ? Counter-clockwise

          The next three questions pertain to the situation described below.

z axis into page
Field shown at t = 0 s

Bz(T)
10
5
0
-5
-10
1 2 3 4 5
t(s)

A 7 cm x 20 cm rectangular loop of wire with a net resistance of 40 ? is oriented perpendicular to the z axis. Before time t = 0, a 5 T uniform magnetic field exists in the +z direction (into the page) as shown in the figure. For all other times, the strength of the field is given by the curve to the right.

9) Which way is the current flowing in the wire loop at time t = 2 s?
? Clockwise
? No current flows then
? Counter-clockwise

10) What is the value of the magnetic flux through the loop at time t = 0.5 s?
? ? = 0  10^-3 Tm^2
? ? = 140  10^-3 Tm^2
? ? = 35  10^-3 Tm^2
? ? = 21  10^-3 Tm^2
? ? = 70  10^-3 Tm^2

11) Which way is the current flowing in the wire loop at time t = 3 s?
? No current flows then
? Clockwise
? Counter-clockwise

The next three questions pertain to the situation described below.

z axis into page
Field shown at t = 0 s

Bz(T)
10
5
0
-5
-10
1 2 3 4 5
t(s)

A 7 cm x 20 cm rectangular loop of wire with a net resistance of 40 ? is oriented perpendicular to the z axis. Before time t = 0, a 5 T uniform magnetic field exists in the +z direction (into the page) as shown in the figure. For all other times, the strength of the field is given by the curve to the right.

9) Which way is the current flowing in the wire loop at time t = 2 s?
? Clockwise
? No current flows then
? Counter-clockwise

10) What is the value of the magnetic flux through the loop at time t = 0.5 s?
? ? = 0 10^-3 Tm^2
? ? = 140 10^-3 Tm^2
? ? = 35 10^-3 Tm^2
? ? = 21 10^-3 Tm^2
? ? = 70 10^-3 Tm^2

11) Which way is the current flowing in the wire loop at time t = 3 s?
? No current flows then
? Clockwise
? Counter-clockwise

Added by Cynthia S.

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