The magnetic force on a charged particle moving at a constant speed in a uniform magnetic field will be doubled when the angle between the velocity of the particle and the direction of the magnetic field changes from 25.0° to
a. 57.7°.
c. 12.2°.
b. 12.5°.
d. 50.0°.
A
You might also like to view...
A rectangular coil having N turns and measuring 15 cm by 25 cm is rotating in a uniform 1.6-T magnetic field with a frequency of 75 Hz. The rotation axis is perpendicular to the direction of the field
If the coil develops a sinusoidal emf of maximum value 56.9 V, what is the value of N? A) 2 B) 4 C) 8 D) 10 E) 6
Increasing the aperture on a camera
A. reduces the depth of field and requires a longer exposure time. B. reduces the depth of field and requires a shorter exposure time. C. increases the depth of field and requires a longer exposure time. D. increases the depth of field and requires a shorter exposure time.
A flat conductor of thickness 0.500 mm is placed in a magnetic field of 0.200 T perpendicular to the flat surface. If there are charge carriers (i.e., electrons) per m3, what is the Hall voltage generated when 3.40 A flows along the conductor?
A. 0.266 mV B. 0.531 mV C. 0.797 mV D. 1.06 mV E. 2.12 mV
Which of the following gases, which we can detect (if present) in infrared spectra, would be a strong indicator of life on another planet?
A) water vapor B) sulfuric acid C) carbon dioxide D) methane E) ozone