The electric potential at an axial point of a dipole is the maximum. a) True
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The electric potential at an axial point of a dipole is the maximum.
a) True
b) False

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- Two parallel plates are charged with +Q and –Q respectively as shown in the figure, where Q = 29 nC. The area of each plate is A = 0.026 m2. The distance between them is d = 9.8 cm. The plates are in the air. e) If the charges on the plates are increased to 2Q, what is the value of the capacitance C in pF? f) If A is then increased to 2A, d is decreased to d/4, what is the value of the capacitance C in pF? g) What is the new value of potential difference ΔV in V with the original charge Q, given the values for A and d from part (f)?Please Asap3) Three charges q1, q2, and q3 are arranged at the corners of a rectangle 18.0 cm x 8.0cm as shown in the diagram below. What is the electrostatic potential energy required to bring a test charge qo = +7.0 µC from infinty and place it at the unoccupied corner? Charges values are given in the table below. 91 h q2 ce HP L 93 qo A 4.85 J B 7.75 J q1 - 5.0 μC C 6.79 J q2 7.0 με D 3.88 J q3 8.0 με E 5.82 J
- A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 9070 N/C. The mass of the water drop is 3.01 x 10⁹ kg. How many excess electrons or protons reside on the drop? Number UnitsQUESTION 7 A point charge, q = -8.0 µC, moves for a distance of 80 cm at an angle of 900 relative to the direction of a uniform electric field of strength 500 N/C. What is the magnitude of the change in potential energy for the charge? а. 12.8 mJ b. 3.2 mJ С. 6.4 mJ d. 0.00 mJ е. 9.6 mJ1) 10 microcoulomb charge is placed at x=0 y=0 and -10 microcoulomb charge is placed at x=8 and y=0. Calculate Electric field vector and Electric voltage at Point P with coordinates x= 4 and y=3. Draw approximately 5 equipotential lines and 5 electric field line. k= 9 X 10^-9 N m^2/C^2 3 meters 8 meters
- 4) (a)Using the Gauss law find the electric field of an infinite conductor plane with charge density o. (b)Using the result in part (a) calculate the capacitance of a capacitor made of two conducting plane of 2 m2 area and with charge density o = 9.6 C/m² and these conducting planes are separated with a distance 0.1 mm and there is Aluminium oxide as the dielectric between two plates. IF NEEDED *Take gravitational constant g=10 m/s.A small positive test charge of 0.02C is situated 1.5m away from a positive charge of 1C and 4.2m away from a second positive charge of 14C. What is the total potential energy of the test charge. The coulomb constant K = 9E9. Give your answer in GigaJoules (GJ)The cell membrane in a nerve cell has a thickness of 0.12 µm. Approximating the cell membrane as a parallel-plate capacitor with a surface charge density of 5.9 x 10-6C/m², find the electric field within the membrane.
- If each of a set of point charges qi contribute a potential Vi to the total potential V at a certain point P, the value of V is found by adding a) vectors b)magnitudes c)valuesHow much energy is stored by the electric field between two square plates, 9.1 cm on a side, separated by a 2.3-mm air gap? The charges on the plates are equal and opposite and of magnitude 15 nC. Express your answer using two significant figures and include the appropriate units. PE = Value Units Submit Request Answer * Previous Next 15:10 hp W 27/03/2022 2000 hp f6 4 f11 10 F12 f10 f7 II f5 f8 f9 insert prt sc ( 9- ) 0 & -backspa // 大 t6Three charges are arranged as shown with distance d = 44 cm. What is the potential energy change when the 55 µC charge moves straight up a distance d so that it is straight across from the 33 µC charge? 33 μC d d -77 µC -55 μC