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 (c) Calculate the numerical value of the emf in V.
Part (d) Express the current induced in the loop, I, in terms of ε and R.
Part (e) Calculate the numerical value of I in A.
Part (f) What's the direction of the current?
Part (g) Following a similar procedure, calculate the magnitude of the current produced in the coil as it leaves the magnetic field in A. It leaves the magnetic field with the same speed.
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.
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 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...
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 = 0.075 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)...
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...
A rectangular coil of N = 123 turns and resistance R = 31?, moves at a constant speed V= 14 m/s from a region with no magnetic field into a region with a magnetic field B= 0.79 T, That points into the page. The dimensions of the coil are a = 0.27 m by b = 0.14 m. While the coil straddles the boundary between the two regions, A. What is the magnitude of the induced emf, epsilon ? What...
3. A rectangular coil of N = 123 tums and resistance R = 31 2, moves at a constant speed v = 14 m from a region with no magnetic field into a region with a magnetic field B = 0.79T, that points into the page. The dimensions of the coil are a = 0.27 mby b = 0.14 m. While the coil straddles the boundary between the two regions, A. What is the magnitude of the induced emf, E?...
A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 23.0 cm to 5.2 cm in 0.50 s . Part a) What is the direction of the induced current? Part b)What is the magnitude of the average induced emf? Part c) What is the average induced current if the coil resistance is 3.7 Ω ?
A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 19.0 cm to 6.0 cm in 0.49 s . A.What is the direction of the induced current? B.What is the magnitude of the average induced emf? C.What is the average induced current if the coil resistance is 3.3 Ω ?
A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 19.0 cm to 6.6 cm in 0.51 sec. What is the magnitude of the average induced emf? What is the average induced current if the coil resistance is 3.1 Ω ?