Two rods of equal length L = 1.40 m form a symmetric cross. The horizontal rod has a charge of Q = 500.00 C, and the vertical rod a charge of -Q = -500.00 C. The charges on both rods are distributed uniformly along their length. Calculate the potential at the point P at a distance x = 2.60 m from one end of the horizontal rod.
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- A small object with a mass of 3.2 mg carries a charge of 29.6 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.94 cm. If the thread makes an angle of 10.2° with the vertical, what is the potential difference in volts between the plates?There are three point charges in a system. The first is -9.34 micro coulombs and is located at (0,51.5)m. The second is -9.45 micro coulombs and is located at (-97.4,0) m. The third is 5.65 micro coulombs and is located at (-20.4,52.9) m. What is the potential (in V) at the origin due to these three charges?The drawing shows six point charges arranged in a rectangle. The value of q is 4.68 μµC, and the distance d is 0.335 m. Find the total electric potential at location P, which is at the center of the rectangle. Number i +7g d D d 5g Units +3q P 3g d d +5g +7g
- Three point charges are on three corners of a rectangle. The A width of the rectangle is x = 70.1 cm and the length is Q + y = = 70.1 cm. Find the potential at the other corner (A) if Q1 = 21.4 µC, Q2 -38.6 μC and Q 57.3 µC. y potential: V Q2 + ) Q3 K x –The work done by an external force to move a charge from point A to point B is 15x10^47. If the charge was started from rest and had a kinetic energy 4.82x10 KJ when it reached point B. What must be the potential difference between A and B? How far apart is point B from point A?A solid cylindrical conductor of radius a is surrounded by a concentric cylindrical shell of inner radius b. The solid cylinder and the shell carry charges Qand-Q, respectively. Assuming that the length L of both conductors is much greater than a or b, what is the potential difference between the two conductors? ○a. V = -2k²ln(²/2) ○b. V = -2k²ln() OC. V = -k²ln(4) O d. V = -kln()
- The potential at the center of an isolated charged conducting sphere is 200 V. The radius of the sphere is 10.0 cm. What is the potential (in volts) at a distance of 20.0 cm from the center of the sphere?Vtot =0 O Symmetric Cross = 200 C, and the vertical rod has a charge of -Q = -200 C. The charges on both Two rods of equal length L = : 1.69 m form a symmetric cross. The horizontal rod has a charge of Q rods are distributed uniformly along their length. Calculate the potential at the point P at a distance D = 2.28 m from one end of the horizontal rod. Special note: You're going to have to take the difference between the potentials made by the positive and negative rods, which are similar numbers. That means that to get an accurate answer you need to keep more digits than usual while you're doing your calculation. + + + + + + + + + + + + L P ·D -A small object with a mass of 4.4 mg carries a charge of 26.9 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 4.49 cm. If the thread makes an angle of 11.8° with the vertical, what is the potential difference in volts between the plates?
- A uniform electric field of magnitude 295 V/m is directed in the negative y direction as shown in the figure below. The coordinates of point are (−0.300, −0.750) m, and those of point are (0.750, 0.450) m. Calculate the electric potential difference VB − VA using the dashed-line path.A small object with a mass of 270 μg carries a charge of 20.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.00 cm. If the thread makes an angle of 13.0° with the vertical, what is the potential difference between the plates? VA small object with a mass of 3.81 mg carries a charge of 21.8 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.67 cm. If the thread makes an angle of 12.7° with the vertical, what is the potential difference in volts between the plates? Round your answer to 1 decimal place.