Question

In: Physics

An electron in a television picture tube travels at 3 × 107 m/s. Does the earth’s...

An electron in a television picture tube travels at 3 × 107 m/s. Does the earth’s gravitational field or its magnetic
field exert the greater force on the electron? Assume v is perpendicular to B.

Solutions

Expert Solution


Related Solutions

An electron with a speed of 3.5 x 107 m/s travels upwards into a 3.0 T...
An electron with a speed of 3.5 x 107 m/s travels upwards into a 3.0 T magnetic field directed into the page. After the particle is deflect it enters a circular path. What direction is the particle deflected? What is the radius of the circular path the electron travels through? Include a diagram. A 20.0 m long wire is carrying a 150.0 mA current parallel to a second wire that is extremely long which carries a current of 250.0 mA...
An electron is slowed down quickly from 107 m/s to 0.5 * 107 m/s, and a...
An electron is slowed down quickly from 107 m/s to 0.5 * 107 m/s, and a single photon is created in the process. Identify the radiation process (eg. Compton, positron emission, etc.) and compute the frequency and wavelength of the emitted photon.
An electron travels with speed 2.0 × 107 m/s between the two parallel charged plates shown...
An electron travels with speed 2.0 × 107 m/s between the two parallel charged plates shown in the figure. The plates are separated by a 100 V battery. (a)What is the direction of the magnetic field to allow the electron to pass between the plates without being deflected? Explain how you determine the direction. (b) What magnetic field strength will allow the electron to pass between the plates without being deflected? SHOW FULL WORK
An electron with speed 2.75×107 m/s is traveling parallel to a uniform electric field of magnitude...
An electron with speed 2.75×107 m/s is traveling parallel to a uniform electric field of magnitude 1.20×104 N/C . How far will the electron travel before it stops? How much time will elapse before it returns to its starting point?
An electron in a TV camera tube is moving at 7.20×106 m/s in a magnetic field...
An electron in a TV camera tube is moving at 7.20×106 m/s in a magnetic field of strength 59 mT. Without knowing the direction of the field, what can you say about the greatest and least magnitude of the force acting on the electron due to the field? Maximum force? Minimum force? At one point the acceleration of the electron is 6.327×1016 m/s2. What is the angle between the electron velocity and the magnetic field? (deg)
An electron in a TV camera tube is moving at 6.20×106 m/s in a magnetic field...
An electron in a TV camera tube is moving at 6.20×106 m/s in a magnetic field of strength 75 mT. Without knowing the direction of the field, what can you say about the greatest and least magnitude of the force acting on the electron due to the field? Maximum force? Minimum force? At one point the acceleration of the electron is 7.767×1016 m/s2. What is the angle between the electron velocity and the magnetic field? (deg)
In a TV picture tube the accelerating voltage is 17.0 kV, and the electron beam passes...
In a TV picture tube the accelerating voltage is 17.0 kV, and the electron beam passes through an aperture 0.40 mm in diameter to a screen 0.230 m away. What is the uncertainty in position of the point where the electrons strike the screen?
if an electron travels 0.200 m from an electron gun to a TV screen in 13.0...
if an electron travels 0.200 m from an electron gun to a TV screen in 13.0 ns, what voltage ( inV) was used to accelerate it? (Note that the voltage you obtain here is lower than actually used in TVs to avoid the necessity of relativistic corrections.)
The electron gun in a television tube uses a uniform electric field to accelerate electrons from...
The electron gun in a television tube uses a uniform electric field to accelerate electrons from rest to 4.7×107 m/s in a distance of 1.3 cm . What is the electric field strength?
A. A color television tube also generates some X-rays when its electron beam strikes the screen....
A. A color television tube also generates some X-rays when its electron beam strikes the screen. What is the shortest wavelength of these X-rays in picometers, if a 34.6 kV potential is used to accelerate the electrons? (Note that TVs have shielding to prevent these x rays from exposing viewers.) B. What is the smallest angle in degrees that L makes with the z -axis for an l = 1 electron? C. What is the shortest wavelength x-ray radiation (in...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT