Doubling the potential difference across a length of copper wire causes what change to the drift speed of the charge carriers?
1.No change occurs since drift speed is constant for copper.
2.The drift speed halves.
3.The drift speed doubles.
4.The drift speed quadruples.
3
You might also like to view...
A particle (charge 7.5 ?C) is released from rest at a point on the x axis, x = 10 cm. It begins to move due to the presence of a 2.0-?C charge which remains fixed at the origin. What is the kinetic energy of the particle at the instant it passes the point x = 1.0 m?
a. 3.0 J b. 1.8 J c. 2.4 J d. 1.2 J e. 1.4 J
You can assume that visitors will view your website with a graphical display browser.
Answer the following statement true (T) or false (F)
Two in-phase loudspeakers are some distance apart. They emit sound with a frequency of 1536 Hz. You move between the speakers, along the line joining them, at a constant speed of 2.8 m/s
What beat frequency do you observe? The speed of sound in the room is 330 m/s. A) 13 Hz B) 431 Hz C) 26 Hz D) 4.7 Hz E) 118 Hz
The sum of the kinetic and potential energy is equal to the _____________energy.
Fill in the blank(s) with the appropriate word(s).