A wire loop, r = .54 m, with 105 turns is placed parallel to the page. A magneti

Question

A wire loop, r = .54 m, with 105 turns is placed parallel to the page. A magnetic field of 35 T points into the page. The magnetic field is increased to 50 T in 12 seconds. Calculate the initial magnetic flux through the wire loop. phi = Wb Calculate the induced EMF in the wire loop. EMF = V Determine the direction of the current in the loop. up down left right into the page out of the page clockwise counter clockwise If the resistance of the loop is 3- Ohm , calculate the current in the loop. I = A Calculate the strength of the magnetic field generated by the wire loop at the center of the loop. B = T A U-shaped wire is placed parallel to the page. A magnetic field of 5 T points out of the page. A movable wire is placed on the U-shaped wire and moved at a constant velocity of 18 m/s. The wire has a resistance of 4.5 Ohm . Calculate the induced EMF in the loop. EMF = V In what direction does the current flow in the loop? How much force is needed to keep the wire moving at a constant speed of 18 m/s? F = N Calculate the rate at which work must be done to keep the wire moving at 18 m/s. HINT: Rate of work = (energy)/(time). UNITS? P = W Wire I has a current of 12 A pointing to the right. Wire II is placed 1.5 m below Wire I with a current of 18 A pointing to the left. An electron travels along the midpoint between Wire I and Wire II with a velocity of 3.5E6 m/s in the same direction as the current in Wire II. Calculate the magnetic force acting on the electron. F = N Direction: Calculate the acceleration of the electron. a = m/s2 What magnitude of electric field would be needed so that the electron would be undeflected? E = N/C Direction: A wire loop with a radius of .45 m is placed on the ground. A magnetic field is created so that it points. parallel to the ground and parallel to the wire loop. The strength of the magnetic field is 25 T, but is slowly decreases to Zero in 30 seconds. Calculate the initial magnetic flux through the wire loop. phi = Wb Calculate the induced EMF in the wire loop. EMF = V If the resistance of the loop is 3 Ohm , calculate the current in the loop. I = A Calculate the magnetic field strength generated by the wire loop at the center of the loop. B = T A wire loop with a radius of .45 m is placed on the ground. A magnetic field is created so that it points parallel to the ground. The Wire loop is now held so that it is perpendicular both to the ground and to the magnetic field. The magnetic field is now increased from zero to 25 T in 30 seconds. Calculate the initial magnetic flux through the wire loop. phi = Wb Calculate the induced EMF in the wire loop. EMF = V If the resistance of the loop is 3 W, calculate the current the loop. I = A Calculate the magnetic field strength generated by the wire loop at the center of the loop. B = T

Explanation / Answer

1st check ur radius is 54 m or 54 cm i m solving for 54 m

A. a= 320630.94

b. 1431388.153

c= clockwise

d. I= 477129.38

B a. 27V

b. anticlockwise

c=9N

d

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