The magnetic force on a point charge in a given magnetic field and at a given speed is largest when it
A. has velocity components both parallel to and perpendicular to the field.
B. moves perpendicular to the magnetic field.
C. moves in the direction opposite to the magnetic field.
D. moves in the direction of the magnetic field.
B. moves perpendicular to the magnetic field.
You might also like to view...
The ultimate speed of a solar-sail-propelled spacecraft is limited by the
A) low energy photons that the Sun produces B) gravitational force of the Sun C) fact that the intensity of sunlight falls off rapidly with distance D) mass of the spacecraft
The work performed as a function of time for a process is given by W = at3, where a = 2.4 J/s3. What is the instantaneous power output at t = 3.7 s?
A) 99 W B) 69 W C) 139 W D) 208 W
A rectangular conducting loop is placed near a long wire carrying a current I as shown in Figure OQ31.3. If I decreases in time, what can be said of the current induced in the loop?
1.The direction of the current depends on the size of the loop.
2.The current is clockwise.
3.The current is counterclockwise.
4.The current is zero.
5.Nothing can be said about the current in the loop without more information.
A particle with __________ obeys the Pauli exclusion principle
Fill in the blank(s) with correct word