Choose the best answer of the following questions (L In the figure shown, if a = 10.0 cm, b = 40.0 cm, q= = 6.0 μc, and Q = -10.0 pc. Answer questions 1,2 and 3. magnitude of the electric force (in N) between q and Q equals: B) 0.45 C) 2.4 D) 1.2 a b E) -0.45 y a
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- What is the dimension of volume charge density? a) [MLAT-2] b) [M0 L-3 A T] c) [M L-3 A T] d) [M L-2 A T]What is the magnitude of the repulsive force between a 3.4 mC charge and a 6.3 mC charge if they are separated by a distance of 93 centimeters? Report your answer kN rounded up to the tenths place1) Consider the figure below. An electron is fired towards a conducting plate from a distance L. The plate has a surface charge density a and a radius that is much greater than the distance L.. When the electron strikes the plate, it is measured that AK. E. 10 eV, where AK. E. Ty-To is the difference between the electron's final kinetic energy and initial kinetic energy. = a) Draw a diagram of the configuration including the co-ordinate system you have chosen. b) Write the integral equation for the work done on the electron when moving from it's initial position to an arbitrary final position, x . c) Write the integral equation for the potential difference of the system for a path that begins at the electron's initial position and ends at an arbitrary position, x. d) Determine the equation for the potential difference between the initial position of the electron and an arbitrary position, x. e) Plot the potential difference from part d) f) If the electron is initially at rest and L=…
- Complete the following statements: After some rather exhausting counting (and a rather tall tale), a physics teacher determines that a very small sample of an object contains ... a. ... 8.25749 x 1017 protons and 5.26 x 1014 electrons; the charge on this object is ____ Coulombs. b. ... 3.12 x 1014 protons and 4.5488 x 1016 electrons; the charge on this object is ____ Coulombs. c. ... 2.40277 x 1019 protons and 9.88 x 1016 electrons; the charge on this object is ____ Coulombs. d. ... 2.6325 x 1015 protons and 2.6325 x 1015 electrons; the charge on this object is ____ Coulombs.Use the following constants if necessary. Coulomb constant, &= 8.987 x 10°N. m/ce 0- 8.854 x 10-12/m me= 9.10938356 x 10-3g means micro coulomb Vacuum permitivity, . Magnitude of the Charge of one electron, e=-1.60217662 x 10-1 . Mass of one electron, Unless specified otherwise, each symbol carries their usual meaning. For example, pC Consider two charges gl = 37e and 2= 18 e at positions (20, 38, 37) and ( 40) respectively where all the coordinates are measured in the scale of 10-m or nano meters. If position vector of the charge g1 is 1 and charge a is a) Find the relative position vector that points from charge g to charge . - component Give your answer to at least three significance digits. y component Give your answer to at least three significance digits. m. I component Give your answer to at least three significance digits. m. b) Calculate the force actir a due to 2. I component of the force Give your answer to at least three significance digits. y component of the force Give…The assignment will be completed after one hour and 15 minutes. I want to answer before this one and get a high rating An electron is released from rest near the negative plate. lf the voltage difference between the plates aV = Vba = 20 kv, what ould its velocity be when it reaches the positive plater (charge of the electron e= - 1.602x10C and mass of the electron me=9.109x10kg)
- With respect to the basic electron theory, what makes a good conductor? What makes a good insulator? Explain the difference and give examples of each.2. Do the boundary condition problem below by filling the missing values (?) and state which of the six rules you used in each case. Boundary condition problem No free surface charge or current Given Ej, B, find all the ?s E = 2€0, 4ɛ0, µz = 2µ0, 02 = 0 %3D H1 = Ho, 01 = 0 y E = 28 + 4ỹ + 62 B1/Ho = 6£ + 7ŷ + 82 B2 %3D E2 =? &+? ŷ+? 2 - =? &+? ŷ+? 2 Ho Di /Eo =? &+? ŷ+? Ż H =?&+? ŷ+?2 D2/E0 =?&+? ŷ+? 2 H2 =?&+?ŷ+? 2 Apply Boundary conditions =: 1. D = EE 2. B = µ H 3. îz x (Ë, – Ë2) = 0 4. îz × (H1 – Ħ2) = J, 5. fîz · (B1 – B2) = 0 6. îz · (D, – D2) = 0sJessisa is doing an experiment. She knows that her alpha particle in her expirement has charge 2e and mass 6.64x10^(-27). Jessisa aims and shoots the alpha particle towards a stationary gold nucleus. Jessisa knows the gold nucleus has a charge of 79e. the gold nucleus and the alpha particle are 10cm appart from eachother,the alpha particle moves at 1000m/s. Help jessisa figure out the following things: a. What is the speed of the alpha particle when it is 1.00mm away from the gold nucleus? b. What is the closest distance the alpha particle can go reletive to the gold nucleus before the alpha particle rebounds?
- 10. Figure shows an electron gun that emits electrons at very small angel with axis. The paraxial electrons emitted from the cathode (filament) are refocused at a distance s after accelerating through a potential difference V, s is given by (Take ² = 10) :- (A) S=2₁ (C) S=, 20mV eB² 10mV eB² (B) s= 20mV eB² (D) None of theseWhat is the capacitance if 6.242x1018 electrons is deposited on the plates by a potential difference of 1V across the plates? (Comprehension) A. 1 V В. 1 А Oc. 1 F OD. 1 WA 5.0 x 10 15 m. FIND THE EPE BERYLLIUM NUCLEUS CONTAINS FOUR PROTONS SE PARATED BY STORE D IN THIS NUCLEUS. THE CAPACITANCE OF A PARALLEL PLATE CAPACITOR 1S 15 uF. A DIFFERENCE OF POTENTIAL a) FIND THE b) FIND THE (5 %3D S 12.0 VOLTS IS PLACED ACROSS ITS PLATES . CHARGE ON E ACH PLATE ELE CTRIC FIELD BETWEEN THE PLATES IF THE SEPARATION PLATE Is 1.5 mm .