A long solenoid (n = 1 500 turns/m) has a cross-sectional area of 0.40 m2 and a current given by I = (4.0 + 3.0t2) A, where t is in seconds. A flat circular coil (N = 300 turns) with a cross-sectional area of 0.15 m2 is inside and coaxial with the solenoid. What is the magnitude of the emf induced in the coil at t = 2.0 s?
a. 2.7 V
b. 1.0 V
c. 6.8 V
d. 0.68 V
e. 1.4 V
B
You might also like to view...
An astronaut in space swings a ball attached to a string in a circular motion. If the string suddenly breaks, how will the ball move?
A) It will move in a straight line in whichever direction it was moving when the string broke. B) It will continue to move in the same circular path it had been following before the string broke. C) It will instantly come to a stop. D) It will move toward the astronaut. E) It will move in a large elliptical path around the astronaut.
Sort these materials in order of increasing dielectric constant: paper, vacuum, air
What will be an ideal response?
The website shown in the above figure shows an example of a(n) ______.
A. carousel B. slide show C. card layout D. tabbed window
Work is defined as force times
a. distance. b. time. c. parallel distance. d. perpendicular distance.