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The following circular area has a RADIUS of 5m. It contains a magnetic field of 3T....
Quiz 1: Consider a circular loop with a 2.50-cm radius in a constant magnetic field of...
Quiz 1: Consider a circular loop with a 2.50-cm radius in a constant magnetic field of 0.625 T. 1) Find the magnetic flux through this loop when its normal makes an angle of (a) 60.0°, and (b) 90.0°, with the direction of the magnetic field B. 2) Find the angle at which the magnetic flux is 1 * 10-*Tm. Quiz 2: A bar magnet is moved rapidly toward a 40-turn circular coil of wire. As the magnet moves, the average...
1. A 85 turn elastic circular coil of wire initially has a radius of 74.2 cm...
1. A 85 turn elastic circular coil of wire initially has a radius of 74.2 cm and is immersed in a uniform magnetic field with a strength of 0.495 T. At t 0, the coil is released and begins decreasing in radius at a constant rate of 7.22 cm/s. While it contracts, the number of turns does not change. a) Write the magnetic flux through a single turn of the coil as a function of time. (Hint: What causes the...
24 A circular loop of wire is in a region of spatially uniform magnetic field directed...
24 A circular loop of wire is in a region of spatially uniform magnetic field directed into the page. Determine the direction of the induced current (as viewed from above) when the magnitude of the magnetic field is increasing. a. Clockwise b. Counterclockwise c. No current flows. 25 An electron enters a region where the uniform magnetic field strength is 4.0 T at a velocity of 4.88 x 10^m/s perpendicular to the field. Determine the radius of gyration of the...
The magnetic field at the centre of a circular loop of wire of radius 1.43 cm...
The magnetic field at the centre of a circular loop of wire of radius 1.43 cm is 3.41 x 104 T in magnitude. (a) What is the current in the wire? (b) If the loop is in a horizontal plane and the field at its centre is upward, is the current flowing clockwise, or counterclockwise, as viewed from above? clockwise counterclockwise
A circular coil of radius 5 cm has 50 turns of wire. The uniform magnetic field...
A circular coil of radius 5 cm has 50 turns of wire. The uniform magnetic field directed into the page/screen (see the figure below) is linearly increased in magnitude form 0 to 0.8 T. What time interval for this increase is needed to induce in the coil emf = 0.25 V? What is the direction of the induced emf (clockwise/counterclockwise)? Which law do we use?
os A circular loop of wire of radius 1.55cm is in a uniform magnetic field, with...
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...
3. Consider a circular loop of a wire with a radius of r = 20.0 cm...
3. Consider a circular loop of a wire with a radius of r = 20.0 cm in a uniform magnetic field of B = 0.300 T pointing into the page, as shown below. The loop of wire has a resistance of 2.5 12 X X X X X X X X X XXXB x x x x x x x x x X X X X X X X X X X X X X X X X X X...
3. Consider a circular loop of a wire with a radius of r = 20.0 cm...
3. Consider a circular loop of a wire with a radius of r = 20.0 cm in a uniform magnetic field of B = 0.300 T pointing into the page, as shown below. The loop of wire has a resistance of 2.5 12. xx x x x x X X X X х X х X X X x x х х х X B х XX x x r XX X X х х x x X X X...
1. An electron moves in a circular path in the magnetic field of an electromagnet. The...
1. An electron moves in a circular path in the magnetic field of an electromagnet. The plune of the electron's Sicular path is parallel to the smooth vole faces of the electromagnet. In the region where the electron is moving the magnetic field is uniform and has magnitude 0,50 T. The electron moves with a speed of 1.5 x 10 m/s. a. If someone could observe the electron from the north pole of the electromagnet, would the electron inove clockwise...
The magnetic field in the center of a horizontal circular loop with a radius of 3...
The magnetic field in the center of a horizontal circular loop with a radius of 3 mm is 2.0˛10-5 T and is directed vertically up. What is the magnitude of current in the loop and its direction, when viewed from above? A) 300 mA, counterclockwise B) 300 mA, clockwise C) 95 mA, counterclockwise D) 95 mA, clockwise E) 48 mA, clockwise
Quiz 1: Consider a circular loop with a 2.50-cm radius in a constant magnetic field of 0.625 T. 1) Find the magnetic flux through this loop when its normal makes an angle of (a) 60.0°, and (b) 90.0°, with the direction of the magnetic field B. 2) Find the angle at which the magnetic flux is 1 * 10-*Tm. Quiz 2: A bar magnet is moved rapidly toward a 40-turn circular coil of wire. As the magnet moves, the average...
1. A 85 turn elastic circular coil of wire initially has a radius of 74.2 cm and is immersed in a uniform magnetic field with a strength of 0.495 T. At t 0, the coil is released and begins decreasing in radius at a constant rate of 7.22 cm/s. While it contracts, the number of turns does not change. a) Write the magnetic flux through a single turn of the coil as a function of time. (Hint: What causes the...
24 A circular loop of wire is in a region of spatially uniform magnetic field directed into the page. Determine the direction of the induced current (as viewed from above) when the magnitude of the magnetic field is increasing. a. Clockwise b. Counterclockwise c. No current flows. 25 An electron enters a region where the uniform magnetic field strength is 4.0 T at a velocity of 4.88 x 10^m/s perpendicular to the field. Determine the radius of gyration of the...
The magnetic field at the centre of a circular loop of wire of radius 1.43 cm is 3.41 x 104 T in magnitude. (a) What is the current in the wire? (b) If the loop is in a horizontal plane and the field at its centre is upward, is the current flowing clockwise, or counterclockwise, as viewed from above? clockwise counterclockwise
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...
3. Consider a circular loop of a wire with a radius of r = 20.0 cm in a uniform magnetic field of B = 0.300 T pointing into the page, as shown below. The loop of wire has a resistance of 2.5 12 X X X X X X X X X XXXB x x x x x x x x x X X X X X X X X X X X X X X X X X X...
3. Consider a circular loop of a wire with a radius of r = 20.0 cm in a uniform magnetic field of B = 0.300 T pointing into the page, as shown below. The loop of wire has a resistance of 2.5 12. xx x x x x X X X X х X х X X X x x х х х X B х XX x x r XX X X х х x x X X X...
1. An electron moves in a circular path in the magnetic field of an electromagnet. The plune of the electron's Sicular path is parallel to the smooth vole faces of the electromagnet. In the region where the electron is moving the magnetic field is uniform and has magnitude 0,50 T. The electron moves with a speed of 1.5 x 10 m/s. a. If someone could observe the electron from the north pole of the electromagnet, would the electron inove clockwise...
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