In the following figure, determine the direction of the current in resistor ab:

Question

In the following figure, determine the direction of the current in resistor ab:

A) As switch S is closed. B) As coil B is moved away from coil A with the switch closed; C) As the resistance of R is increased while the switch remains closed

A circular loop of wire with radius R, is in a region of spatially uniform magnet field as shown below. The magnetic field is directed into the plane of the figure.

Calculate the direction of the induced current in the loop when:

A) B is increasing; B) B is decreasing; C) B is constant with value B0

In the following figure, determine the direction of the current in resistor ab: Calculate the direction of the induced current in the loop when: A) B is increasing; B) B is decreasing; C) B is constant with value B0 A) As switch S is closed. B) As coil B is moved away from coil A with the switch closed; C) As the resistance of R is increased while the switch remains closed A circular loop of wire with radius R, is in a region of spatially uniform magnet field as shown below. The magnetic field is directed into the plane of the figure.

Explanation / Answer

1) A ) b to a

B) a to b

C) a to b

2)

A) counter clock wise

B) clockwise

C) no current

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