Focused ion beams are used for micro-machining. An ion-beam gun accelerates Ga+ ions (atomic weight 70 amu) through a 50 kV potential difference. State the kinetic energy of the ions and calculate their speed.

Q: A cube of marble having each side of length 5 m is kept in an electrostatic field of intensity 300…

A:

Q: volts. How long does it take to reach a speed of 10^7 m/s and what position does it reach at this…

A: The force on a charged particle with charge q under the influence of an electric field E is F=qE…

Q: An electron enters an electric field with an initial velocity of 87286 m/s moving in the same…

A:

Q: There are two metal plates, separated by 8.0 cm, connected to a battery that provides a 50 V…

A:

Q: (a) Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of…

A: Given data   The area of the plate is A = 1.80 cm2 The distance between the plates is d = 0.010 mm…

Q: Find the capacitance (in units of pF) of a metallic sphere that has a radius of 20.6 cm immersed…

A: Radius (R)= 0.206 m ε0= 8.85× 10-¹² Fm-¹ K= 2.16 We know that capacitance (C) of a sphere is given…

Q: Two parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero…

A: Given: The potential at a distance d = 8.00 cm from the zero volt plate (and 2.00 cm from the other)…

Q: Find the capacitance ( in units of pF) of a metallic sphere that has a radius of 19.2 cm immersed…

A:

Q: Assume that a cylindrical capacitor has diameter 5.0 cm and length 10.0 cm. Its capacitance is C =…

A: Given : d = 5 cm = 0.05 m r = d/2 = 0.05/2 = 0.025 m L = 10 cm = 0.10 m C = 2000 F Vmax = 2.9 V

Q: The following figure presents a parallel plate capacitor. The capacitor includes two plates with a…

A: The amount of charge that moves into the plates depends upon the capacitance and the applied voltage…

Q: Two parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero…

A: Separation between parallel plates is One plate is at zero volts, that is, Voltage at a distance…

Q: An air-filled spherical capacitor is constructed with an inner-shell radius of 7.30 cm and an…

A:

Q: Find the capacitance ( in units of pF ) of a metallic sphere that has a radius of 24.2 cm immersed…

A: Radius (R) = 24.2 cm = 0.242 m dielectric constant of oil container (k) =2.16

Q: An ideal parallel-plate capacitor has a capacitance of 78.5 pF. The rectangular plates of the…

A:

Q: A proton, initially at rest, moves along the direction of a uniform electric field due to this…

A: acceleration of proton  a = eE/m = (1.6×10-19×8.11)/(1.67×10-27)  a = 7.77 × 108 m/s2  Initial…

Q: Alls separated cm A spherical capacitor is formed from two conc by a vacuum. The inner sphere has…

A: Given DataThe inner radius of the inner sphere is ri = 12.5 cm.The outer radius of the outer sphere…

Q: A proton moving from rest from one point to another under the action of an electric field acquires a…

A: Given data: Initially, the proton is at rest. Which means, the initial speed of proton, u=0 m/s…

Q: A parallel-plate air capacitor is made from two plates 0.250 mmsquare, spaced 0.900 cm apart. It is…

A: Given : Length of a square (L) = 0.250 m Separation distance (d) = 0.900 cm = 0.9 x 10-2 m Voltage…

Q: Two parallel conducting plates are separated by a distance d = 11.8 cm. Plate B, which is at a…

A: Given: Potential of plate B, Vb = 620V distance between two plates, d=11.8 cm = 0.118 m potential at…

Q: 5. A 5.9 µC charge is accelerated by a potential difference of -7 V, which makes it go from a…

A: since the particle is going from region A to region B, the potential difference = VB-VA=0 -7 =-7…

Q: An alpha particle (system of two neutrons and two protons) is stationary in a vacuum, when a proton…

A:

Q: A parallel-plate capacitor whose plates have area of 30 cm2 and 5 mm apart contains a medium with…

A:

Q: Find the capacitance ( in units of pF) of a metallic sphere that has a radius of 19.8 cm immersed…

A:

Q: A capacitor is constructed with a plate separation of 0.0003755m and the electric field between the…

A:

Q: The plates of a parallel plate capacitor have an area of 100 cm² each and separated by 2mm. The…

A:

Q: A positron (a positive electron) passes through 2.15 V of potential difference. Later, an electron…

A: The change in an positive electron's potential energy is equivalent to the work made by positive…

Q: In the figure, potential difference between A and B is: 10 kΩ ww A 30 V 10 k2. 10 k2 B (a) 10V (b)…

A:

Q: NASA's Deep Space 1 and Dawn spacecraft employed ion thrusters in which xenon ions with a charge of…

A:

Q: What voltage will accelerate protons to a speed of 6*10^6 m/s?

A: Since the electric force is a conservative force, the total energy is conserved.…

Q: Find the radius r such that the fraction of the total energy that is within a cylinder of radius r…

A:

Q: The plates of a parallel plate capacitor have an area of 100 cm2 each and separated by 4 mm. The…

A:

Q: Two horizontal parallel plates, 1.2 X 10^-2 m apart, are connected to a DC power supply, as shown in…

A: Step 1:Distance between the two horizontal plates is 1.2×10−2mElectric field between the plates is…

Q: What is the capacitance of a pair of circular plates with a radius of 5.0 cm separated by 3.2 mm of…

A: Since capacitance, C = Kε0A/d Area of the plate, A = πr2 = (22/7)×(0.052) A = 7.857×10-3 m2 d =…

Q: Guiana dolphins are one of the few mammals able to detect electric fields. In a test of sensitivity,…

A: Given: The distance between organs and electric field lines is d=1 cm. The potential difference is…

Q: A capacitor (C=540 microF) has a potential deltaV= 80 volts across it. How much energy is stored in…

A:

Q: A constant potential difference of 20.0 V is maintained between the terminals of a 5.00 µF, parallel…

A:

Q: 7. An electron is accelerated through a potential difference of 12.1 V. n = 5 -0.54 eV 0.8 eV n = 3…

A: Given: The electron accelerated through the potential difference  V = 12.1 V