A long straight wire carries a current of 5.00 A at a distance r from the wire. The magnetic field has a magnitude of 3.50 x 10-2 T. The unknown distance r is:
a. |
40 cm |
|
b. |
30 cm |
|
c. |
20 cm |
|
d. |
50 cm |
A long straight wire carries a current of 5.00 A at a distance r from the...
A long straight wire lies along the x axis carries a current of 15 amps in the position x direction. A second long straight wire lies parallel to the first and carries a current of 20 amps in the negative x direction. They are separated by a distance of 7.00 cm. What is the direction and magnitude of the resultant. magnetic field at a point in the xy plane 4 cm. from the first wire and 3 cm from the second?
4) A long straight wire carries current i = 2.0 A. A triangular loop (w = 0.050 m and t = 0.100 m) also carries the same current and is located at distance x = 0.025 m from the straight wire as shown. Recall that the magnetic field due to a long straight wire is given by B Ho 21 4r where r is the perpendicular distance from the wire. Note: Ho/472 = 1 x 10-?T.m/A. a) Determine the magnitude...
A long straight wire carries a current of 45 A. What is the magnitude of the magnetic field at a distance of a) 0.2 m? b) 0.7 m? c) 1.5 m? A short circular coil with 30 turns and a radius of 4 cm carries a 15 A current. What is the magnetic field at the center of the coil?
A long straight wire carries a current I. At 1.0cm from the wire, the magnetic field has a magnitude of 2.0 x 10-5T. How far from the wire must you be so that the magnetic field due to the wire has a magnitude of 5.0 x 10-6T? ______cm
A long, straight wire (see the figure below) carries current 114.2 A and is a distance h 15 cm from a rectangular current loop that carries a current I2 1.58 A (a) If the loop has length L = 40 cm and width w = 28 cm, what are the magnitude and direction of the force exerted by the wire on the loop? magnitude 4.19e-6 direction toward the long straight wire (b) What is the force exerted by the current...
The magnetic field at the center of a 0.80-cm-diameter loop is 2.0mT. A long straight wire carries the same current you found in part a. At what distance from the wireis the magnetic field 2.0mT? I=13A
Each of two long straight parallel wires separated by a distance of 16 cm carries a current of 20 A in the same direction. What is the magnitude of the resulting magnetic field at a point that is 10 cm from each wire? a) 80 micro Teslas b) 48 micro Teslas c) 57 micro Teslas d) 40 micro Teslas e) 64 micro Teslas
Along straight wire carries a current I. At 1.0cm from the wire, the magnetic field has a magnitude of 2.0 x 10-ST. How far from the wire must you be so that the magnetic field due to the wire has a magnitude of 5.0 x 10-6T? Answer: cm
The long, straight wire carries a current of 16.0 A. A rectangular loop whose long edges are parallel to the wire carries a current of 4.00 A. The parallel edge closest to the wire is 2.6 cm and the farthest parallel edge is 10.0 cm. Find the magnitude of the net force exerted on the loop by the magnetic field of the wire.. 82x10-5N 73x105N 8.0 x 10^-5N 75 x 10^-5N
Consider the long, straight, current-carrying wires shown in Figure 22-42. One wire carries a current of 2.4 A in the nega direction; the other wire carries a current of 4.5 A in the positive x direction. 16 cm B 16 cm 16 cm 16 cm 4.5 A Figure 22-42 (a) At which of the two points, A or B, do you expect the magnitude of the net magnetic field to be greater? point A point B same at A and...