A wire rod rolls with a speed of 8.0 m/s on two metallic rails, 30 cm apart, that form a closed loop. A uniform magnetic field of magnitude 1.20 T is into the page. The magnitude and direction of the current induced in the resistor R are
A) 0.82 A, clockwise.
B) 0.82 A, counterclockwise.
C) 1.2 A, clockwise.
D) 1.2 A, counterclockwise.
E) 2.9 A, counterclockwise.

Question

A wire rod rolls with a speed of 8.0 m/s on two metallic rails, 30 cm apart, that form a closed loop. A uniform magnetic field of magnitude 1.20 T is into the page. The magnitude and direction of the current induced in the resistor R are
A) 0.82 A, clockwise. 
B) 0.82 A, counterclockwise. 
C) 1.2 A, clockwise. 
D) 1.2 A, counterclockwise. 
E) 2.9 A, counterclockwise.

Quizplus · Accepted Answer

The Answer of  A wire rod rolls with a speed of 8.0 m/s on two metallic rails, 30 cm apart, that form a closed loop. A uniform magnetic field of magnitude 1.20 T is into the page. The magnitude and direction of the current induced in the resistor R are
A) 0.82 A, clockwise. 
B) 0.82 A, counterclockwise. 
C) 1.2 A, clockwise. 
D) 1.2 A, counterclockwise. 
E) 2.9 A, counterclockwise.

A Wire Rod Rolls with a Speed of 8