Question

Two 2.1- cm -diameter-disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.3×105 V/m . V=645V

Part B How much charge is on each disk? Enter your answers numerically separated by a comma. Express your answers in coulombs.

Part C An electron is launched from the negative plate. It strikes the positive plate t a speed of 2.5×10^7 m/s . What was the electron's speed as it left the negative plate?

Answer #1

Two 2.3-cm-diameter-disks spaced 1.6 mm apart form a
parallel-plate capacitor. The electric field between the disks is
5.0×105 V/m . Part A Part complete What is the voltage across the
capacitor? Express your answer with the appropriate units. V = 800
V Previous Answers Correct Part B How much charge is on each disk?
Enter your answers numerically separated by a comma. Express your
answers in coulombs. q1, q2 = 1.836⋅10−9,1.836⋅10−9 C Previous
AnswersRequest Answer Incorrect; Try Again; 5 attempts...

Two 2.3-cm-diameter-disks spaced 2.0 mm apart form a
parallel-plate capacitor. The electric field between the disks is
4.6×105 V/m .
Part A
What is the voltage across the capacitor?
Part B
How much charge is on each disk?
Part C
An electron is launched from the negative plate. It strikes the
positive plate at a speed of 2.3×107 m/s . What was the
electron's speed as it left the negative plate?

Two 2.2-cm-diameter-disks spaced 1.9 mm apart form a
parallel-plate capacitor. The electric field between the disks is
4.8×105 V/m .
a) How much charge is on each disk?
b) An electron is launched from the negative plate. It strikes
the positive plate at a speed of 2.0×107 m/s . What was the
electron's speed as it left the negative plate?

Two 2.5-cmcm-diameter-disks spaced 1.5 mmmm apart form a
parallel-plate capacitor. The electric field between the disks is
4.7×105 V/mV/m .
What is the voltage across the capacitor?
How much charge is on each disk?
An electron is launched from the negative plate. It strikes the
positive plate at a speed of 2.0×107 m/sm/s . What was
the electron's speed as it left the negative plate?

Two 2.0-cm-diameter-disks spaced 2.0 mm apart form a
parallel-plate capacitor. The plates have charge
± 8.8nC.
What is the voltage across the capacitor? deltaVc
=_______________ Dont forget unit
An electron is launched from the negative plate. It strikes the
positive plate at a speed of 5.5×107 m/s . What was the
electron's speed as it left the negative plate?
vinitial=_____________________Dont forget unit

Two circular disks spaced 0.50 mm apart form a parallel-plate
capacitor. Transferring 1.20 ×109 electrons from one disk to the
other causes the electric field strength to be 1.20 ×105N/C.
What are the diameters of the disks?
Express your answer with the appropriate
units.

Two 2.1 cm -diameter disks face each other, 1.5 mm apart. They
are charged to ±13nC.
What is the electric field strength between the disks?
A proton is shot from the negative disk toward the positive
disk. What launch speed must the proton have to just barely reach
the positive disk?

A parallel-plate capacitor is formed from two 2.4 cm -diameter
electrodes spaced 1.4 mm apart. The electric field strength inside
the capacitor is 6.0×10^6 N/C. What is the charge (in nC) on each
electrode?

Two 10.0-cm-diameter electrodes 0.59 cm apart form a
parallel-plate capacitor. The electrodes are attached by metal
wires to the terminals of a 14 Vbattery.
Part A
What is the charge on each electrode while the capacitor is
attached to the battery?
Enter your answers numerically separated by a comma.
q1, q2 =
C
Part B
What is the electric field strength inside the capacitor while
the capacitor is attached to the battery?
Express your answer with the appropriate units.
E...

A parallel-plate air capacitor is made by using two plates 18 cm
square, spaced 6.0 mm apart. It is connected to a 24-V battery.
(a) What is the capacitance?
________F
(b) What is the charge on each plate?
_______ C
(c) What is the electric field between the plates?
__________ V/m
(d) What is the energy stored in the capacitor?
________ J
(e) If the battery is disconnected and then the plates are pulled
apart to a separation of 12...

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