discussion10

A wire segment 1.2 m long carries a current I= 3.5 A and is oriented as shown in the figure. A uniform magnetic field of magnitude 0.50 T pointing toward the -x direction is present as shown. The +-axis points directly into the page. What is the magnetic force vector on the wire segment? 40

A wire segment 1.2 m long carries a current I= 3.5 A and is oriented as shown in the figure. A uniform magnetic field of magnitude 0.50 T pointing toward the -x direction is present as shown. The +z-axis points directly into the page. What is the magnetic force vector on the wire segment? 40

a conductor moving with a velocity of 5.0 m/s to the right in the presence of a magnetic field. The flux density is 0.5 T into the page, and the wire is 1.0 m in length, oriented as shown. What are the magnitude resulting induced voltage?

One solenoid is inside the other solenoid. Both solenoids have length L and N turns. The radius of the inner solenoid is 2R and the radius of the outer solenoid is 3R. The inner solenoid carries current 41 and the outer solenoid carries current l in opposite directions as shown. What is the magnetic field at a distance R from the central axis? Both solenoids are long and thin, i.e., L >> R. > +x

Please

Consider the circuit in the figure (b). The curved segments are arcs of circles of angle 350 and radii a = 30 cm and b = 15 cm. The straight segments are along radii. Find the magnetic field B at point P (the center of curvature), assuming a current of 18 A clockwise in the circuit. (Positive out of page and negative into page) a R2 Ө b R1 P A H C J D (b) (a)

An ideal solenoid with n turns per unit length and carrying a current i has a uniform magnetic field along its long axis given by 29 - Hn!. If the radius of the solenoid is R, what is the magnetic flux through its circular cross-section? Note da=2.r dr. O A) 0 O B) T4nI R 2 Tụ,nI R? O D) 2.74,nlI R O E) T4,nIR

Do number 1

A thin conducting wire is bent into the shape shown in the figure. The circular portion of the wire has radius R. The wire is in the plane of the screen and carries a current I. R (a) What is the direction of the magnetic field at the center of the loop? O to the left O to the right O upward O downward O into the screen O out of the screen (b) Find an expression for the magnitude of the magnetic field at the center of the loop. (Use the following as necessary: R, I, and Ho. Do not substitute numerical values; use variables only.) B =

Pls quick. I need the final answer

A magnetomotive force is supplied by a current of 1 A through 100 turns. The magnetic circuit consists of a steel core of 1000 permeability, 10 cm long and 4 cm^2 area and an air gap 1 cm long. Find the field intensity at the air gap in Oersted.

A rod with mass m = 0.720 kg and radius r = 6.00 cm rests on two parallel rails, as shown in the figure. The rails are separated by a distance d = 12.0 cm and have length L = 45. cm.The rod carries a current I = 48.0 A in the direction shown in the figure and rolls on the rails without slipping. There is a uniform magnetic field of magnitude B = 0.240 T perpendicular to the rails and the rod. If the rod starts from rest, what is its speed when it leaves the rails?

When the current in a long, straight, air-filled solenoid is changing at the rate of 2000 A/s, the voltage across the solenoid is 0.600 V. The solenoid has 1200 turns and uniform cross- sectional area 25.0 mm2 . Assume that the magnetic field is uniform inside the solenoid and zero outside, so the result L =M0AN2/l applies. What is the magnitude B of the magnetic field in the interior of the solenoid when the current in the solenoid is 3.00 A?