A wire carries current 45.1 A into the junction as shown above. What is the magnetic field (in T) at d = 64.7 cm?

A long solenoid with n = 50 turns per centimeter and a radius of R = 5 cm carries a current of i = 45 mA. Find the magnetic field in the solenoid. The magnetci field, Bo = If a straight conductor is positioned along the axis of the solenoid and carries a current of 37 A, what is the magnitude of the net magnetic field at the distance R/2 from the axis of the solenoid? The net magnetic field, BNet Units HT Units HT

A long wire of radius R has a current density given by J(r) = J0 r^2/R^2 where J0 is a constant. Findthe magnetic  field inside the wire where r  R.

The accompanying figure shows a cross-section of a long, hollow, cylindrical conductor of inner radius r₁ = 3.5 cm and outer radius r2 = 7 cm. A 51-A current distributed uniformly over the cross-section flows into the page. Calculate the magnetic field at r = 0.5 cm, r = 6.5 cm, and T = 8 cm. 12 Hints a. Magnetic field at r = 0.5 cm is 0 b. Magnetic field at r = 6.5 cm is c. Magnetic field at r = 8 cm is T. Additional hint for (a) T. Additional hint for (b) T. Additional hint for (c)

006 A solenoid 2.1 m long has a radius of 0.75 cm and 900 turns. It carries a current of 2.5 A. The permeability of free space is 4T X 10 T m/A. What is the approximate magnetic field on the axis of the solenoid? Answer in units of mT.

a) What is the magnitude of the magnetic field at point P if I1 = 12.1 A and I2 = 33.7 A, in T? b) What is the direction of the magnetic field at point P with repsect to the figure?

A wire carries I1=7.96 A current along the x-axis, and another wire carries an I2=1.15 A current along the y-axis, as shown in the figure below. What is the magnitude of magnetic field at point at x = 0.400m , y = 0.300m? The magnitude of the net magnetic field at point P is?(Note : mu T=10^ -6 T) .

In the figure, point P2 is at perpendicular distance R = 26.9 cm from one end of straight wire of length L= 11.1 cm carrying current i = 0.977 A. (Note that the wire is not long.) What is the magnitude of the magnetic field at P2? P R R L. Number i Units

Identify the direction of the net force and net torque on the electric dipole in each base. The blue lines are electric field lines. Magnetic dipoles in magnetic fields behave in similar ways. + + force? v force? v force? v |torque? torque? torque?

A 2356 turn solenoid is carrying a current of 19.16 A. The solenoid is 38.07 cm long. What is the magnitude of the magnetic field (in milli-tesla) through the center of the solenoid?