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Fundamentals of Electromagnetics with Engineering Applications
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- A negative charge of -0.0005 C exerts an attractive force of 9.0 N on a second charge that is 10 m. away. What is the magnitude of the second charge?arrow_forwardDetermine the magnitude of the force experience by a +2.9 statC charges if another identical charge is located 5 cm away. (Hint: statC is the unit of charge in CGS and 1 C = 3 x 10° statC) O a. 0.12 Dynes O b.0.34 N OC 0.34 Dynes d. 0.12 Narrow_forwardP1.15. A copper wire has a diameter of 2.05 mm and carries a current of 15 A due solely to clectrons. (These values are common in residential wiring.) Each electron has a charge of -1.60 × 10-19 C. Assume that the free-electron (these are the electrons capable of moving through the copper) concentration in copper is 1029 electrons/m'. Find the average velocity of the electrons in the wire.arrow_forward
- mp?attempt=2176198&cmid%3D1088508page%3D6 Question 7 Not yet anwend Marked out of 10.00 Hlag question The line shown in the figure has a linear charge distribution of 101 nC/em. If R=8 cm, find the Electric Potential at the point indicated by the dot. Scan clearly your detailed answers and upload it in question 8. R. 2R V=224016.68 V V=134410.01 V V=448033.36 V V=672050.04 varrow_forward5) ) The point charge at the bottom of the figure is, Q = 17 nC and the curve is a circular arc, of radius r = 5 cm. What is the magnitude of the force on the charge Q due to the other point charges shown? -6.0 nC 2.0 nC 2.0 nC 45° 45° 5.0 cm 5.0 cm +) Explain or Show Work Here:arrow_forward4. In the following figure, two charges: (q, 2 x 10-6C) and (q2 = 2.5 x 10- C). find the magnitude and the direction of the resultant force exerted by the two charges on a third one (Q = 5x0-6C). 0.5m 0.3m 0 4m 0.3m 0.5marrow_forward
- A wire has a circular cross-section of radius r= 3.53 mm. The conductivity of the wire is 1x10^5 (Ohm, meter) and its lengthis 2m. The total resistance of the wire in Ohms is:O a. 0.51O b. 0.72ç. 0.26O d. 5136.07O e. 797497.60arrow_forwardDetermine 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.) Three charges lie along a horizontal line. A 6.00 µC positive charge is on the left. 3.00 cm to its right is a 1.50 µC positive charge. 2.00 cm to the right of the 1.50 µC charge is a −2.00 µC charge. N/C(b) If a charge of −3.89 µC is placed at this point, what are the magnitude and direction of the force on it? magnitude N direction ---Select--- toward the right toward the left upward downwardarrow_forwardA typical Cu wire might have 2 X 1021 free electrons in 1 cm of its length. Suppose that the drift velocity of the electrons along the wire is 0.05 cm/s. (A) How many electrons would pass through a given cross section of the wire each second? (B) How large a current would be flowing in the wire? outz mduz to elob beluberlba ol uoy wollo liw ainf.nokaimdu2 to etob beluberoz edt elin M? niy ina lonaarrow_forward
- (b) Consider the diagram of a conducting wire of Figure Q1(b)6). i. Determine the charge of 7.573 x 1017 electrons. ii. If this number of electrons moves uniformly from the left end of the wire to the right end in 1 ms (millisecond), what is the current flows through the wire? iii. How many electrons must pass a given point in 1 minute to produce a current of 10 A? iv. If the charge profile across the cross section of the conductor from left to right is given by g(t) = t + 0.2est C for t2 0 and zero for t < 0, plot the profile of the current that flows across the boundary. In what direction would the current flow? v. Repeat part (iv) for the charge profile (in Coulomb) sketched in Figure Q1(b)(ii).arrow_forwardThe charge entering a certain element is shown in the given figure, where A = 70. Find the current at 1 ms, 6 ms, and 10 ms. The current at 1 ms is _____ A. The current at 6 ms is _____ A. The current at 10 ms is ______ A.arrow_forwardIn the figure below, analytically determine the electric field at point P. Where q1 = q2 = q. 92 2. -3 -2 -1 1. -1 -2. 91 Once you determine the electric field analytically, answer: What would be the force on a test charge Q located at point P? Justify your answer. In case the sign of both charges is exchanged to a negative sign, what would be the field on the point P in this case? Give as detailed an explanation as possible. Note: You do not need to redo the procedurearrow_forward
- Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning