Two point charges Qi = -70.0 µC and Q2 = 30.0 µC are separated by a distance d1 = 30.0 cm, as shown in the image. Calculate the potential at point A positioned d2 = 12.0 cm to the left of Qj. A potential: 0 * TOOLS x10

1) Given the charge distribution below, determine the potential at A (upper left corner of the triangle and B (middle of the right edge of the rectangle). A -30 µC B. 7.5 cm 23.0 cm +10 uC +90 µC

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Two point charges, +4.90 µC and -7.20 µC, are separated by 1.10 m. What is the electric potential midway between them? Number i Units

Four positive charges (+20 microC each) are to be arranged at the corners of a square of side d = 0.5m. d + + d + b) What is the potential at the center of the square? (KV = kilovolts) %3D

For the following electric field: Ē(x, y) = (x² + y²) + 2xyŷ Calculate the potential in the xy plane. Assume the potential at the origin equals to zero, meaning (0, 0) = 0. Select one: a. 4(x, y) = -2xy² 3 O b. 2-3 x(x,y) = = xy 3 O c. 4(x, y) = -x³-xy² ○ d. x3 x(x, y) = +xy² 3 Oe. (x, y) = x³ + xy² Of. 4(x, y) = xy² 3

An air capacitor is made up of two parallel plates, each with an area of 10.7 cm^2 separated at a distance of 2.5 mm. A potential difference of 44 volts is applied to these plates. Calculate the surface charge density. answer nC/m^2 and two decimal places