Two wire transmission line whose cross section is illustrated below. Each wire is having a diameter of 2 m and the wires are separated 8 m. The wire centered at (0,0) carries current 10A while the other centered at (8 m, 0) carries the return current. Find magnetic field intensity at a) (1 m, 0) y b) (8 m, 4m) X 8 m 2m
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- The magnetic fields (in T) shown are distributed uniformly on each of the surfaces of the box. The box has dimensions 1x1x3 cm. What is the magnetic field strength and direction on the front surface? 2 4 3 2T in 2T out 6T in 6T out 3T in ЗТ outA charge moves out of a radiation source with the velocity to the left. Once it enters a uniform magnetic field B it moves upward. What is the type of chargeThe two wires shown in the figure below are separated by d = 11.1 cm and carry currents of I = 4.90 A in opposite directions. 2d- (a) Find the magnitude and direction of the net magnetic field at a point midway between the wires. magnitude µT direction --Select--- (b) Find the magnitude and direction of the net magnetic field at point P,, 11.1 cm to the right of the wire on the right. magnitude direction |---Select--- (c) Find the magnitude and direction of the net magnetic field at point Pa, 2d = 22.2 cm to the left of the wire on the left. magnitude uT direction ---Select---
- Certain experiments must be performed in the absence of any magnetic fields. Suppose such an experiment is located at the center of a large solenoid oriented so that a current of I = 3.40 A produces a magnetic field that exactly cancels Earth's 4.50 x 10-5 T magnetic field. Find the solenoid's number of turns per meter. HINT turns/mThe figure below shows two wires carrying currents of I = 5.20 A in opposite directions, separated by a distance d. Assume d = 9.2 cm. P, 2d· (a) Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wires. magnitude HT direction ---Select--- (b) Find the magnitude (in µT) and direction of the net magnetic field at point P,, 9.2 cm to the right of the wire on the right. magnitude µT direction ---Select--- (c) Find the magnitude (in µT) and direction of the net magnetic field at point P,, 2d = 18.4 cm to the left of the wire on the left. magnitude µT direction ---Select--- (d) What If? Repeat parts (a) through (c) for the case where both wires carry currents in the same direction, upward in the figure. Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wires. magnitude µT direction ---Select---Through a circular spiral and in an anticlockwise direction, the current intensity of 25A circulates. The radius of the spiral is 10 cm. Decide:A) face through which we are seeing the spiral.B) value of the magnetic field in the center of the spiral.
- A segment of wire of total length 5.01 m carries a 17-A current and is formed into a semicircle. Determine the magnitude of the magnetic field (in µT) at the center of the circle along which the wire is placed. - НТA lightning bolt may carry a current of 1.00 x 104 A for a short period of time. What is the resulting magnetic field 97 m from the bolt? Assume that the bolt extends far above and below the point of observation. μT Need Help? Read It(1) Home circuit breakers have current capacities of about 10.0 A. How large a magnetic field would such a current produce 5.0 cm from a long wire’s center? (2) A jumper cable is used to start a car that has a dead battery. The cable barely reaches the car and, so, is outstretched in a straight line. The electric starter on the car draws 100 A. What is the magnetic field at a distance of 0.3 m from the cable?
- ASAPThe magnetic field in a region of space is given by B-8 +8. A coil of N turns is oriented so that its cross-sectional area is in the x direction: A-A1. A small bulb is connected across the ends of the coil. The total resistance of the coil and the bulb is R. Find an expression for the current through the bulb if By(t) = Bo(t/to) and By-Bo where Bo and to are constants. (Use the following as necessary: A, B, N, R, to, and t. Enter the magnitude.)