A circular coil has 275 turns and a radius of 0.045 m.The coil is used as an ac generator by rotating it in a 0.500 T magnetic field,as shown in the figure.At what angular speed should the coil be rotated so that the maximum emf is 175 V?
A)28 rad/s
B)50 rad/s
C)130 rad/s
D)200 rad/s
E)490 rad/s

Question

A circular coil has 275 turns and a radius of 0.045 m.The coil is used as an ac generator by rotating it in a 0.500 T magnetic field,as shown in the figure.At what angular speed should the coil be rotated so that the maximum emf is 175 V? 
A)28 rad/s 
B)50 rad/s 
C)130 rad/s 
D)200 rad/s 
E)490 rad/s

Quizplus · Accepted Answer

The Answer of A circular coil has 275 turns and a radius of 0.045 m.The coil is used as an ac generator by rotating it in a 0.500 T magnetic field,as shown in the figure.At what angular speed should the coil be rotated so that the maximum emf is 175 V? 
A)28 rad/s 
B)50 rad/s 
C)130 rad/s 
D)200 rad/s 
E)490 rad/s

A Circular Coil Has 275 Turns and a Radius of 0.045