A loop of wire with radius r = 0.075 m is in a magnetic field with magnitude B as shown in the figure. B changes from B1= 0.35 T to B2 = 3.5s T in Δt=8.5s at a constant rate. The resistance of the wire is R = 1Ω.
Part (a) Calculate the numerical value of the change in magnetic flux, ΔΦ in T·m2?
Part (b) Calculate the numerical value of the average emf, ε, induced in the loop in volts.
Part (c) Calculate the numerical value of the current induced in the loop. I. in amperes.
A loop of wire with radius r = 0.075 m is in a magnetic field with magnitude B as shown in the figure. B changes from B1= 0.35 T to B2 = 3.5s T in Δt=8.5s at a constant rate. The resistance of the wire is R = 1Ω.
A loop of wire with radius r = 0.065 m is in a magnetic field with magnitude B as shown in the figure. B changes from B1= 0.65 T to B2 = 4.5s at a constant rate. The resistance of the wire is R = 19Ω. Part (a) Calculate the numerical value of the change in magnetic flux, ΔΦ in T·m2? Part (b) Calculate the numerical value of the average emf, s, induced in the loop in volts. Part (c) Calculate the numerical...
A loop of wire with radius r=0.015 m is in a magnetic field with magnitude B as shown in the figure. B changes from B1 = 0.35 T to B2 = 4.5T in Δt=5.5s at a constant rate. The resistance of the wire is R=5Ω.Part (a) Express the magnetic flux going through a loop of radius r assuming a constant magnetic field B. Part (b) Express the magnetic flux change, 40, in terms of B1, B2, and r. Part (c) Calculate the...
(11%) Problem 8: A circular wire loop of radius r = 0.35 m and resistance R= 11 12 rotates about a shaft through its diameter at a constant rate of f= 5.5 Hz in a uniform B = 0.21-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is perpendicular to the magnetic field at time t = 0. 4 17% Part (a) Select the correct expression for the time-dependent magnetic flux through the loop. 17%...
1. A loop of wire with radius r=1 m is in a magnetic field with magnitude B as shown in the graph. B changes from B1=1 T to B2=11 T in t=10 s at a constant rate. A) Express the magnetic flux going through a loop of radius r assuming a constant magnetic field B b) Express the change in the magnetic flux going through this loop, , in terms of B1, B2, & r c) Calc the numerical value...
A rectangular coil has side a = 0.085 m, h = 0.055 m, and resistance R = 45Ω. It moves into a magnetic field with magnitude B = 0.65 T with speed v = 1.5 m/s. Part (a) As the coil enters the magnetic field, express the magnitude of the magnetic flux going through the loop in terms of the given variables.Part (b) Express the magnitude of the emf, ε, induced in the loop in terms of B, a, and v.Part...
A rectangular coil has side a = 0.055 m, b = 0.095 m, and resistance R=85Ω. It moves into a magnetic field with magnitude B = 0.45 T with speed v= 8.5 m/s.Part (a) As the coil enters the magnetic field, express the magnitude of the magnetic flux going through the loop in terms of the given variables and t, the time since the right side of the loop first entered the field. Part (b) Express the magnitude of the emf,...
A conducting rod spans a gap of length L = 0.315 m and acts as the fourth side of a rectangular conducting loop, as shown in the figure. A constant magnetic field B = 0.45 T pointing into the paper is in the region. The rod is moving under an external force with an acceleration a= At2, where A = 6.5 m/s4. The resistance in the wire is R= 110ΩPart (a) Express the magnitude of the magnetic flux going through...
os A circular loop of wire of radius 1.55cm is in a uniform magnetic field, with the plane of the loop perpendicular to the direction of the field. The magnetic field varies with time according to B(t) = 0.064 + 1.2t, where t is in seconds, and B is in T. Calculate the magnetic flux through the loop at t0 s. B Submit Answer Tries 0/10 Calculate the magnitude of the emf induced in the loop. Submit Answer Tries 0/10...
1. A square loop of wire with one side of a and resistance R is placed in a uniform magnetic field of strength B. The field vanishes and results an induced current I in the loop. ( a) a) What is the rate of change of magnetic flux in terms of I and R? (b) Magnetic field B (on the picture above) was equal to 0.5 T before it vanished. If the duration of switch is 0.15 sec and the...
Bout 4. A wire loop of radius r = 0.20 m lies in a magnetic field, as shown. The field is deceasing at a rate of 0.25 T/s. The loop has a resistance of 0.30 0. a) Find the EMF induced in the loop and the induced current. olo o ) b) Using Lenz's Law determine the direction in which the induced current will flow. Carefully expirathe psia your reasoning.