An electron is traveling towards the right at 95% the speed of light inside a circular loop of wire. The wire has a radius of 5 mm and a current of 5 A in the direction shown in the figure below. I (a) What is the strength in Newtons and the direction of the magnetic force on the electron when it is passing through the center of the loop? (b) The magnetic force from the current loop will make the electron start to move in a circle. We can keep the electron moving in a straight line by applying a constant electric field. What is the magnitude (in V/m) and direction of the electric field we would need to apply to keep the electron moving in a straight line? (c) A constant electric field can be produced between the plates of a parallel-plate capacitor. If we have a capacitor that has plates with area 14 cm2 that are separated by 2 cm, how much charge in Coulombs would we need to put on the capacitor plates to produce the electric field needed for part (b)? (d) If we filled the capacitor with ammonia (dielectric constant K = capacitance be in Farads? 17), what would its
An electron is traveling towards the right at 95% the speed of light inside a circular loop of wire. The wire has a radius of 5 mm and a current of 5 A in the direction shown in the figure below. I (a) What is the strength in Newtons and the direction of the magnetic force on the electron when it is passing through the center of the loop? (b) The magnetic force from the current loop will make the electron start to move in a circle. We can keep the electron moving in a straight line by applying a constant electric field. What is the magnitude (in V/m) and direction of the electric field we would need to apply to keep the electron moving in a straight line? (c) A constant electric field can be produced between the plates of a parallel-plate capacitor. If we have a capacitor that has plates with area 14 cm2 that are separated by 2 cm, how much charge in Coulombs would we need to put on the capacitor plates to produce the electric field needed for part (b)? (d) If we filled the capacitor with ammonia (dielectric constant K = capacitance be in Farads? 17), what would its
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Transcribed Image Text:An electron is traveling towards the right at 95% the speed of light inside a circular
loop of wire. The wire has a radius of 5 mm and a current of 5 A in the direction shown in
the figure below.
I
(a) What is the strength in Newtons and the direction of the magnetic force on the electron
when it is passing through the center of the loop?
(b) The magnetic force from the current loop will make the electron start to move in a circle.
We can keep the electron moving in a straight line by applying a constant electric field.
What is the magnitude (in V/m) and direction of the electric field we would need to
apply to keep the electron moving in a straight line?
(c) A constant electric field can be produced between the plates of a parallel-plate capacitor.
If we have a capacitor that has plates with area 14 cm2 that are separated by 2 cm, how
much charge in Coulombs would we need to put on the capacitor plates to produce the
electric field needed for part (b)?
(d) If we filled the capacitor with ammonia (dielectric constant k =
capacitance be in Farads?
17), what would its
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