A conducting ring is on the x-y plane. The z axis is normal to
the area of the ring, and there is a changing magnetic field on
that axis as shown in the figures.
Which diagram correctly has the direction of the induced current in
the conductor ring?
Select one:
A) 5
B) 4
C) 1
D) 2
E) 3
Homework Answers
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A conducting ring is on the x-y plane. The z axis is normal to
the area...
A conducting loop with area 0.14 m2 and resistance 10 Ω lies in the x-y plane....
A conducting loop with area 0.14 m2 and resistance 10 Ω lies in the x-y plane. A spatially uniform magnetic field points in the z direction. The field varies with time according to Bz=at2−b, where a = 3.0 T/s2 and b = 8.8 T . Find the loop current when Bz = 0.
2. An infinite conductor carrying a current of 4A (de) is placed on the z-axis, and...
2. An infinite conductor carrying a current of 4A (de) is placed on the z-axis, and a copper conductor of length 1 m is placed on the y-axis as shown. (a) Suppose the conductor is moving in the positive z-direction with a velocity u=1 m/sec as shown in Figure 3. Find the voltage induced in the conductor. Show the polarity of the induced voltage. (b) Suppose the conductor is moving along the y-axis in the positive y-direction with a velocity...
Three frictionless conducting rails are fixed on an incline plane as shown. The top piece has...
Three frictionless conducting rails are fixed on an incline plane as shown. The top piece has a resistance R. A free conducting rod of mass m length 1 is placed on the rails, forming a closed loop abcd, and pushed with a force ¥ = -Fî. There is an external magnetic field B = B(cosa î + cosß î + cosy k). (a) Find an expression for the induced e.m.f in the closed loop abcd. Find an expression for the...
10. For an infinitely wide, very thin plane conductor lying on xy plane, surface 1.0 A/m...
10. For an infinitely wide, very thin plane conductor lying on xy plane, surface 1.0 A/m flows in the +x direction. If a current of current density is J uniform magnetic field 1.0T is applied along z-axis, what is the magnetic force per unit area exerted by the field on the conducting plane?
(a) A ring (in y-z plane) of radius R, mass M, with uniform charge Q is...
(a) A ring (in y-z plane) of radius R, mass M, with uniform charge Q is rotated about its axis (x-axis) as shown. Derive an expression for the magnetic dipole momentů for this ring. Express ŭ in terms of the angular momentum, 1o , of the ring (standard form). (6) Using the result of part (a) write down an expression for the magnetic dipole moment of the ring shown in Fig (6) (the axis of this ring is în which...
A square loop with sides of length L lies in the x-y plane in a region...
A square loop with sides of length L lies in the x-y plane in a
region in which the magnetic field points in the z-direction and
change over time as B(t)=B0e^(-5t/t0)k. Find the magnitude of the
EMF induced in the wire, show the direction of the induced current
in the loop using Lenz's law.
A square loop with sides of length L lies in the r-y plane in a region in which the magnetic field points in the z-direction and...
Two Wires Points: 1 Consider two parallel conducting wires along the direction of the Z axis...
Two Wires Points: 1 Consider two parallel conducting wires along the direction of the Z axis as shown below. Wire 1 crosses the x-axis at x = -2.70 cm and carries a current of 1.40 A out of the xy-plane of the page. Wire 2 (right) crosses the x axis at x = 2.70 cm and carries a current of 6.30 A into the xy plane. At which value of x is the magnetic field zero? (Hint: Careful with sign)...
Consider two parallel conducting wires along the direction of the z axis as shown below. Wire...
Consider two parallel conducting wires along the direction of the z axis as shown below. Wire 1 crosses the x-axis at x = -1.40 cm and carries a current of 2.70 A out of the xy-plane of the page. Wire 2 (right) crosses the x axis at x = 1.40 cm and carries a current of 5.90 A into the xy plane. At which value of x is the magnetic field zero?
A magnetic field B, directed along the z-axis, varies with time T as shown in the...
A magnetic field B, directed along the z-axis, varies with time T as shown in the figure. A planar conducting loop is in the magnetic field The maqnetic field is perpendicular to the plane of the loop. B- 0 Select the appropriate description for the magnitude of the EMF induced in the loop (EMF-mag) and for its direction (EMF-dir) at the indicated times. Select a response for each statement. The EMF-mag at A is. that at F The EMF-mag at...
circular conducting ring
A circular conducting ring with radius r0=0.0420 m lies in the xy-plane in a region of uniform magnetic field . In thisexpression, t0=0.0100 s and is constant, t is time, is the unit vector in the+z-direction, and =0.0800 T is constant. At points a and b (see the figure ) there is a small gap in the ring with wires leading to an external circuit of resistanceR=12.0 Ω. There is no magnetic field at the location of the external circuit.a)...
2. An infinite conductor carrying a current of 4A (de) is placed on the z-axis, and a copper conductor of length 1 m is placed on the y-axis as shown. (a) Suppose the conductor is moving in the positive z-direction with a velocity u=1 m/sec as shown in Figure 3. Find the voltage induced in the conductor. Show the polarity of the induced voltage. (b) Suppose the conductor is moving along the y-axis in the positive y-direction with a velocity...
Three frictionless conducting rails are fixed on an incline plane as shown. The top piece has a resistance R. A free conducting rod of mass m length 1 is placed on the rails, forming a closed loop abcd, and pushed with a force ¥ = -Fî. There is an external magnetic field B = B(cosa î + cosß î + cosy k). (a) Find an expression for the induced e.m.f in the closed loop abcd. Find an expression for the...
10. For an infinitely wide, very thin plane conductor lying on xy plane, surface 1.0 A/m flows in the +x direction. If a current of current density is J uniform magnetic field 1.0T is applied along z-axis, what is the magnetic force per unit area exerted by the field on the conducting plane?
(a) A ring (in y-z plane) of radius R, mass M, with uniform charge Q is rotated about its axis (x-axis) as shown. Derive an expression for the magnetic dipole momentů for this ring. Express ŭ in terms of the angular momentum, 1o , of the ring (standard form). (6) Using the result of part (a) write down an expression for the magnetic dipole moment of the ring shown in Fig (6) (the axis of this ring is în which...
A square loop with sides of length L lies in the x-y plane in a
region in which the magnetic field points in the z-direction and
change over time as B(t)=B0e^(-5t/t0)k. Find the magnitude of the
EMF induced in the wire, show the direction of the induced current
in the loop using Lenz's law.
A square loop with sides of length L lies in the r-y plane in a region in which the magnetic field points in the z-direction and...
Two Wires Points: 1 Consider two parallel conducting wires along the direction of the Z axis as shown below. Wire 1 crosses the x-axis at x = -2.70 cm and carries a current of 1.40 A out of the xy-plane of the page. Wire 2 (right) crosses the x axis at x = 2.70 cm and carries a current of 6.30 A into the xy plane. At which value of x is the magnetic field zero? (Hint: Careful with sign)...
A magnetic field B, directed along the z-axis, varies with time T as shown in the figure. A planar conducting loop is in the magnetic field The maqnetic field is perpendicular to the plane of the loop. B- 0 Select the appropriate description for the magnitude of the EMF induced in the loop (EMF-mag) and for its direction (EMF-dir) at the indicated times. Select a response for each statement. The EMF-mag at A is. that at F The EMF-mag at...
A circular conducting ring with radius r0=0.0420 m lies in the xy-plane in a region of uniform magnetic field . In thisexpression, t0=0.0100 s and is constant, t is time, is the unit vector in the+z-direction, and =0.0800 T is constant. At points a and b (see the figure ) there is a small gap in the ring with wires leading to an external circuit of resistanceR=12.0 Ω. There is no magnetic field at the location of the external circuit.a)...
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