In a given CRT, electrons are accelerated horizontally by 9.0 kV . They then pass through...

In a given CRT, electrons are accelerated horizontally by 9.0 kV . They then pass through a uniform electric field E for a distance of 3.3 cm , which deflects them upward so they travel 19 cm to the top of the screen, 13 cm above the center.

Estimate the value of E. Neglect the upward distance that electron moves while in the electric field.

Solutions

Expert Solution

Kinetic energy acquired by electron is

This velocity is horizontal,( say along x-axis)

Time taken by electron to travel the horizontal distance in the electric field region is

the electron enters the region between the plates of electric field E, and gets deflected thorgh a length of

( say hypotenuse of triangle) , with a vertical height of ( opposite side of triangle)

Velocity of electron in vertical direction is

Acceleration of electron in vertical direction is

Force on electron in electric field region is

Electric field in the region is

genius_generous answered 1 year ago

Next > < Previous

Related Solutions

A) Electrons accelerated by a potential difference of 13.16 V pass through a gas of hydrogen...

A) Electrons accelerated by a potential difference of 13.16 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. B) Calculate the wavelength of light emitted with the shortest possible wavelength.

Electrons accelerated by a potential difference of 13.15 V pass through a gas of hydrogen atoms...

Electrons accelerated by a potential difference of 13.15 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. Calculate the wavelength of light emitted with the shortest possible wavelength.

An electron was accelerated through a potential difference of 1.00 ± 0.01 kV. What is the...

An electron was accelerated through a potential difference of 1.00 ± 0.01 kV. What is the uncertainty of the position of the electron along its line of flight?

A deuteron (charge +e, mass 2mp) is accelerated through 2.75 kV from rest and attains a...

A deuteron (charge +e, mass 2mp) is accelerated through 2.75 kV from rest and attains a final velocity in the j direction. It then enters a uniform magnetic field B= 1.64 Tk (note T = tesla) a) Determine the magnitude of the final velocity attained by the deuteron after being accelerated through the 2.75 kV potential. B) Determine the magnitude and direction of the magnetic force that the deuteron experiences just at the point of entering the uniform magnetic field?...

Suppose that electrons are accelerated through a potential difference of 80 × 103 V. These collide...

Suppose that electrons are accelerated through a potential difference of 80 × 103 V. These collide with a metal slab and emit electromagnetic radiation. a) Determine the kinetic energy of an individual electron. Express the answer in Joules and electron Volts (1.0 eV = 1.6 × 10−19 J.) b) The electron collides with the metal and a photon is emitted. Determine the maximum frequency that is possible for the emitted photon.

1. In a system design the electrons are accelerated from rest through a potential difference of...

1. In a system design the electrons are accelerated from rest through a potential difference of 250 V. The electrons travel along a curved path because of the magnetic force exerted on them, and the radius of the path is measured to be 5 cm long. If the magnetic field is perpendicular to the beam what is the linear speed of the electrons, what is the angular speed of the electrons and what is the magnitude of the magnetic field...

Electrons in a cathode ray tube start from rest and are accelerated through a potential difference...

Electrons in a cathode ray tube start from rest and are accelerated through a potential difference of 11.6 kV. They are moving in the +x-direction when they enter the space between the plates of a parallel plate capacitor. There is a potential difference of 320 V between the plates. The plates have length 8.93 cm and are separated by 1.10 cm. The electron beam is deflected in the negative y-direction by the electric field between the plates. where P...

Electrons in a cathode ray tube start from rest and are accelerated through a potential difference...

Electrons in a cathode ray tube start from rest and are accelerated through a potential difference of 13.8 kV. They are moving in the +x-direction when they enter the space between the plates of a parallel plate capacitor. There is a potential difference of 313 V between the plates. The plates have length 7.81 cm and are separated by 1.10 cm. The electron beam is deflected in the negative y-direction by the electric field between the plates. where P =...

Electrons in a cathode ray tube start from rest and are accelerated through a potential difference...

Electrons in a cathode ray tube start from rest and are accelerated through a potential difference of 12.2 kV. They are moving in the +x-direction when they enter the space between the plates of a parallel plate capacitor. There is a potential difference of 338 V between the plates. The plates have length 9.37 cm and are separated by 1.10 cm. The electron beam is deflected in the negative y-direction by the electric field between the plates. where P =...

If 6.0 x 1013 electrons pass through a circuit to power a lightbulb for 25 seconds...

If 6.0 x 1013 electrons pass through a circuit to power a lightbulb for 25 seconds and there is a 12 V electric potential difference, what is the resistance of the lightbulb? What power is used in the lightbulb? What is the charge that passes through the lightbulb during this period? Explain why Francium has a much larger atomic radius than Sodium given what you know about electric charges. PLEASE WRITE CLEARLY WIT FBOs AND FORMULAS.THANK YOU

Subjects