Force on a Wire: A rigid rectangular loop, measuring 0.30 m by 0.40 m, carries a current of 9.9 A, as shown in the figure. A uniform external magnetic field of magnitude 1.8 T in the -x direction is present. Segment CD is in the xz-plane and forms a 19° angle with the z-axis, as shown. What is the y component of the magnetic force on segment AB of the loop?
A. +5.1 N
B. -5.1 N
C. +1.7 N
D. -1.7 N
E. 0.0 N
Answer: A
You might also like to view...
Equation of Traveling Waves: Four waves are described by the following equations, where distances are measured in meters and times in seconds.I. y = 0.12 cos(3x - 21t)II. y = 0.15 sin(6x + 42t)III. y = 0.13 cos(6x + 21t)IV. y = -0.23 sin(3x - 42t)Which of these waves have the same period?
A. I and III, and also II and IV B. I and IV, and also II and III C. I and II, and also III and IV D. All of them have the same period. E. They all have different periods.
Everything looks red through a red filter because
A) the filter emits red light and absorbs other colors. B) the filter absorbs red light and emits other colors. C) the filter transmits red light and absorbs other colors. D) the filter reflects red light and transmits other colors.
One explanation of the dark sky Olbers's Paradox is that light can reach us only from objects in space out to a distance in light years _______ the age of the universe in years
a. less than b. greater than c. equal to d. less than or equal to e. greater than or equal to
The Sun is crossing your meridian right now. When will it cross the meridian next?
A) very close to 23 hours, 56 minutes from now B) very close to 24 hours from now C) one year from now D) It depends on the phase of the Moon.