A flat circular coil having 16 turns, each of diameter 20 cm, is in a uniform and steady 0.13-T magnetic field
(a) Find the total magnetic flux through the coil when the field is perpendicular to the plane of the coil.
(b) If the coil is rotated in 10 ms so its plane is parallel to the field, find the average induced emf in the coil.
(a) 0.065 T ? m2 (b) 6.5 V
You might also like to view...
What actually "controls" Saturn's rings?
a. Saturn's magnetic field b. Saturn's tidal heating c. Saturn's moons d. Saturn's rapid rotation e. Saturn's metallic core
How long a star can stay on the main sequence depends upon its size
a. True b. False Indicate whether the statement is true or false
A theory in the field of science is
A) an educated guess. B) less than a fact. C) a synthesis of a large body of well-tested knowledge. D) unchangeable.
A billiard ball collides in an elastic head-on collision with a second stationary identical ball. After the collision which of the following conditions applies to the first ball?
a. maintains the same velocity as before b. has one half its initial velocity c. comes to rest d. moves in the opposite direction