Question

# Which of the following statements correctly compare the ideal parallel-plate capacitor to the ideal solenoid? Select...

Which of the following statements correctly compare the ideal parallel-plate capacitor to the ideal solenoid? Select all that apply.

 A) The direction of the uniform electric field in the capacitor is parallel to the plates making up the capacitor, while the direction of the uniform magnetic field is parallel to the axis of the solenoid.
 B) In the ideal capacitor changing the distance between the plates does not affect the electric field. In the ideal solenoid changing the radius of the solenoid does not affect the magnetic field.
 C) Doubling the magnitude of the charge on each plate of the ideal capacitor doubles the electric field. Doubling the current in each loop of the solenoid doubles the magnetic field.
 D) The electric field in the capacitor is produced by static charges, while the magnetic field in the solenoid is produced by moving charges.
 E) In both ideal devices the fields are uniform inside the devices and zero outside.
 F) A charged particle launched into the uniform field between the plates of the parallel-plate capacitor will follow a parabolic path. The same is true for a charged particle launched into the uniform magnetic field inside the solenoid.

A) False
Becasue, electric field is perpendicular to the plates.

B) True
Becasue, E = Q/epsilon
so, E does not depend on distance between the plates.

B = mue*n*I
so, B does not depend on radius of the solenoid.

C) True
Becasue,
electric field between the capacitor plates, E = Q/(epsilon)
so, when Q is doubled E also becomes doubel.

magnetic field inside a solenoid, B = mue*n*I
so, when I is doubled B also becomes doubel.

D) True

E) True

F) False
Becasue, charged particle does not move in a parabolic path in uniform magnetic field.

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