(a). A +200µC charge is placed at the origin and a -300 µC is placed at 1m to the right of it. What is the magnitude and direction of the electric field midway between the two charges and 30cm to the right of the negative charge. (to (b). Assume you have two opposite charges that are 12 cm apart. Now consider a magnitude of electric field 2.5 cm from the positive charge. Explain on which sides of this charge (top, bottem left or right) is the weakest and the strongest electric field?
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Q: Oa
A: a.
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- Two point charges are situated in a cartesian coordinate system as follow: Q1 = 7.2 x 10^-6 C @ the coordinates (-0.43, 0.62) m Q2 = -4.7 x 10^-6 C @ the coordinates (0.78, 0.43) m What is the direction of the net electric field at the origin (0,0)? Answer this as an angle measured in degrees relative to the +x direction. Let answers in the first 3 quadrants be positive and negative in the 4th quadrant.It turns out that there is an electric field that points inward towards the center of the earth that has a magnitude of 100 N/C near the Earth's surface. Estimate the total charge of the earth needed to support such a field. Where do you think all this charge comes from?Three charged particles of charges 18μC, -12 μC, and 24 μC are placed on the X-axis at (6 cm, 0), (15 cm, 0), and (-6 cm, 0) respectively. Determine the magnitude and direction of the force acting on a -12 μC charge. Determine the magnitude and direction of the force acting on 18 μC charge. Determine the magnitude and direction of the electric field on the y-axis at y = 30 cm.
- A dust particle (M=5.0x108kg) that carries charge Q=8.0x10.6℃ is placed in between two parallel plates that are equally but oppositely charged at a distance of 4.0cm from the (-) plate. The strength of this constant (uniform) electric field is E=12,500 N/C. The P.E. of Q when placed at 4.0cm from (-) plate is exactly equal to the work it can do as it is pushed to the (-) plate. is 0.004J is 400mJ Answeres a, b & c are correct. Answeres a & b are correct.Consider a dipole consisting of charge of -27e on the left and a positive charge of +27e on the right. If the charges are separated by 2.6x10^-10 meters, in what direction does the electric field point at the position exactly between the charges?The following charges are placed at rest on the x-axis: q1 = +31.0 μC at (-0.400 m, 0) q2 = -52.0 μC at (-0.100 m, 0) q3 = +10.0 μC at (0, 0) q4 = -70.0 μC at (0.600 m, 0) a) Find the net electric field at (0.200 m, 0). _________________________________________ b) Find the electric potential at (0.200 m, 0).
- The point charges in the figure below are located at the corners of an equilateral triangle 25.0 cm on a side, where q, = +19.0 µC and q. = -5.70 µC. (Assume that the +x-axis is directed to the right.) la (a) Find the electric field at the location of q.. magnitude N/C direction ° (counterclockwise from the +x-axis) (b) What is the force on given that 9a = +1.50 nC? magnitude N direction (counterclockwise from the +x-axis)"Two point charges, +3 UC is located at the origin and -4 C is located at coordinates (0, 25) cm. a) Find the electric field strength at the point P which is 20 cm above the charge +3 C and 5 cm below the charge-4 C. b) Calculate the magnitude and direction of the force acts on a third charge 1.5 C if located at P." k = 9X 109 Nm2/c2 150.7 X 105 N/C, 22.6 N, Upward 150.7 N/C, 22.6 N, Upward 150.7 N/C, 22.6 N, Downward None of theseDraw the electric field lines surrounding two negative electric charges, -5.0 mC and -10.0 mC, which are 2.5m apart? Calculate the magnitude and direction of force exerted on the -5.0 mC charge from the -10.0 mC charge.
- Calculate the strength and direction of the electric field, E, due to point charge of 2.7 nC at a distance 5.6 mm from the charge. For the direction, consider the line joining the point charge and point at the distance 2.4mm. The direction on this line away from the charge is positive and the direction towards the charge is negative. What force does the electric field found in the previous example exert on a point charge of −2.3·10^-8 C?(a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in the figure below. (Enter the magnitude of the electric field only.) N/C(b) If a charge of −3.60 µC is placed at this point, what are the magnitude and direction of the force on it? magnitude direction(a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in the figure below. (Enter the magnitude of the electric field only.) (b) If a charge of −6.49 µC is placed at this point, what are the magnitude and direction of the force on it?