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

Physics & Space Science

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

Physics & Space Science

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.

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science