Two negative, equally charged drops water, 3.80 mm apart, exert an electrostatic

Question

Two negative, equally charged drops water, 3.80 mm apart, exert an electrostatic force of 2.8 Times 10^-9 N on each other. Determine the net charge on each drop. 4.34 Times 10^(-2) nC. 6.7 Times 10^(-12)C. 7.69 Times 10^(3) pC. 7.17 Times 10^(-3) pC 8.19 Times 10^(3) pC. Then determine the number of electron that had been added to each drop to cause the net charge on it. 1.28 Times 10^(8) 3.73 Times 10^(9). 2.26 Times 10^(3). 9.26 Times 10^(6) 4.22 Times 10^2(7). A thin straight glass rod. 920 cm long, is placed on the x-axis so that it is symmetric about the y axis. An electrical charge Q = - 478 mC, is uniformly distributed over it. Determine the charge density of the rod. -5.20 Times 10^(-2)C/m. 1.20 Times 10^(-3)C. -6.20 Times 10^(-2)C/m. -4.20 Times 10^(-3)C/m. 1.20 Times 10^(-3)C. Determine the electric field at a point p located at (0.00, 1.50 cm). 9.28 Times 10^(-8)C. 6.72 Times 10^(9)N/C. -6.23 Times 10^(10)N/C. 2.04 Times 10^(7)N/C. Assignment 4 represent a charged (Q = -7.26 mC) conducting solid rod coaxial with a charged (q = + 7 26 mC) cylindrical conducting shell The radius of the cylindrical rod is 9.40 cm and the radius of the conducting cylindrical shell is 26.4 cm. Determine the electric field at a distance of ISO cm, from the common axis Tlie length of each object is 35.0 m 3.04 Times 10^(7) N/C. -4.04 Times 10^(8)N/C. 4.77 Times 10^(9) N/C. -l 04 Times 10^(7) N/C 9 04Times 10^(6)N/C. Determine the direction of the electric field at r = 5.20 cm from the common axis. 8.26 C/N 5.19 C. 3.38 N/C. 2.38C. 5.19C. Determine the magnitude of the electric field at r = 155.0 cm from the common axis. 8.26 C/N 5.19 C. 3.38 N/C. 2.38C 5.19C Suppose that following the CME it is found that at an altitude of 2500 m the electric field has magnitude 1100 N/C and at an altitude of 1500 m the magnitude is 3700 N/C. In both cases the direction of the electric field is vertically toward the earth's surface. Find the net amount of charge (also indicate the sign of the charge) contained in a cube with horizontal forces at altitudes of 2500 and 1500 m. Assume that the surface of the earth is flat and horizontal.3.34 Times 10^(-2) C. -5.76 Times 10^(-2) C. 7.69 Times 10^(3) pC. 7.47 Times 10^-3) pC -5.19 Times 10^(3) pC. The values of C_1, C_2, C_3, C_4 and C_5 are 250, 450, 330, 570, and 190 microfarad =, respectively. Determine the equivalent capacitance of c_2, C_4 and C_5. 9.15 Times 10^(-4) F.4.55 Times 10^(-7) F. 4.67 Times 10^(-6) F. 5,15 Times 10^(-4) F. 5.93 Times 10^(-4) F. Determine the equivalent capacitance C_A - B between terminals A and B. 9.93 Times 10^(-4) nF. 4.55 Times 10^(-7) F. 1.15 Times 10^(-4) F. 5.15 Times 10^(-4) F 7.93 Times 10^(-4) F. A rod in the shape of rectangular solid has cross-sectional area of 17.8 cm^2, length of 5.20 cm resistivity of 25.8 Times 10^-8 m. The material from which the block is made has 5.95 Times 10^28 conduction electrons/m^3. A potential differences of 52.6 m V is maintained between its ends. What is the current in the block? 6.98 Times 10^(3) A. 4.65 Times 10^(-1) A 5.81 Times 10^(-1) ma. 6.71 Times 10^(-30 mA. 9.31 times 10^(-2) A. Assume that the current density in the rod is uniform. What is its value? 6.761 Times 10^(-2) A. 4.65 Times 10^(-3)A. 5.81 Times 10^(-1) A.m^2. 6.71 Times 10^(-6) a/M^2. 3.92 Times 10^6a/m^2.

Explanation / Answer

1.1)B

1.2) E

2.1)A

2.2) D

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