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In the figure below a thin circular coil of radius i with Ni turns carries a...
In the figure below a thin coil of radius r1= 4 cm, containing N1= 5300 turns,...
In the figure below a thin coil of radius r1= 4 cm, containing
N1= 5300 turns, is connected through a resistor R = 100 Ω to an AC
power supply running at a frequency f= 2100 so that the current
through the resistor (and coil) is I1sin(2π×2100t). The voltage
across the resistor triggers an oscilloscope that also displays
this voltage, which is 10 V peak-to-peak and therefore has an
amplitude of 5 V (and therefore the amplitude of the current...
A circular coil having 25 turns and a radius of R = 17.6 cm carries a...
A circular coil having 25 turns and a radius of R = 17.6 cm carries a current of 2.00 A. It is placed in a uniform magnetic field of 78.0 mT. The initial angle between the magnetic moment of the coil μ and the magnetic field B is 35.0o.How much work is required to rotate the coil so that the B-field lies in the plane of the coil?
A thin coil has 60 circular turns of wire of radius 4 cm. The current in...
A thin coil has 60 circular turns of wire of radius 4 cm. The current in the wire is 8 amperes. (a) What is the magnetic dipole moment of this coil? (b) At a distance of 40 cm from the center of the coil, along the axis of the coil, what is the approximate magnitude of the magnetic field contributed by the coil? The coil is placed with its axis along the x axis. A bar magnet whose magnetic dipole...
Problem 5: In the figure the inner coil has Ni turns and length L, the outer...
Problem 5: In the figure the inner coil has Ni turns and length L, the outer coil has N2 turns and there is an AC current through the inner coil I(t)oin(wt). a) Find the voltage Vi(t) across the inner coil due to self-inductance of the coil. b) Find voltage across the outer loop V2(t), due to mutual inductance with inner coil. Find the ratio c) Now insert an iron rod with relative permeability ur 5000, filling the inner coil. Assuming...
A circular coil that has N = 210 turns and a radius of r = 9.00...
A circular coil that has N = 210 turns and a radius of r = 9.00 сm lies in a magnetic field that has a magnitude of Bo = 0.0600 T directed perpendicular to the plane of the coil. What is the magnitude of the magnetic flux Og through the coil? OB = 0.321 The magnetic field through the coil is increased steadily to 0.180 T over a time interval of 0.515 s. What is the magnitude El of the...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5 Ω . At what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.149 A in the coil? b. A closely wound rectangular coil of 90.0 turns has dimensions of 30.0 cm by 47.0 cm . The plane of the coil is...
A circular coil 20.0 cm in radius and composed of 145 tightly wound turns carries a...
A circular coil 20.0 cm in radius and composed of 145 tightly wound turns carries a current of 2.60 A in the counterclockwise direction, where the plane of the coil makes an angle of 15.0° with the y axis (see figure below). The coil is free to rotate about the z axis and is placed in a region with a uniform magnetic field given by B = 1.30 ſ T. 1 B y A = 15.0° (a) What is the...
Chapter 22 - Electromagnetic Induction 4-A flat circular coil with N = 105 turns, a radius...
Chapter 22 - Electromagnetic Induction 4-A flat circular coil with N = 105 turns, a radius of r = 4 × 10-2 m, and a resistance of R 0.480 ? is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate of AB = 0.783 T s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at...
A circular coil that has N 280 turns and a radius of r 9.50 cm lies...
A circular coil that has N 280 turns and a radius of r 9.50 cm lies in a magnetic field that has a magnitude of Bo 0.0635 T directed perpendicular to the plane of the coil. what is the magnitude of the magnetic flux Φ B through the coil? T-m2 The magnetic field through the coil is increased steadily to 0.145 T over a time interval of 0.305 s. What is the magnitude |El of the emf induced in the...
A flat circular coil of 1 cm radius is rotated at 10 revolutions per second about...
A flat circular coil of 1 cm radius is rotated at 10 revolutions per second about an axis that is perpendicular to a uniform magnetic field of magnitude 2.5 T. How many turns are required in the coil to generate a peak voltage of 750 mV? 2 turns 5 turns 8 turns 15 turns 20 turns An object is located at a distance of 5.7 cm from a thin lens with a radius of curvature of 66.0 mm. The image...
A thin coil has 60 circular turns of wire of radius 4 cm. The current in the wire is 8 amperes. (a) What is the magnetic dipole moment of this coil? (b) At a distance of 40 cm from the center of the coil, along the axis of the coil, what is the approximate magnitude of the magnetic field contributed by the coil? The coil is placed with its axis along the x axis. A bar magnet whose magnetic dipole...
Problem 5: In the figure the inner coil has Ni turns and length L, the outer coil has N2 turns and there is an AC current through the inner coil I(t)oin(wt). a) Find the voltage Vi(t) across the inner coil due to self-inductance of the coil. b) Find voltage across the outer loop V2(t), due to mutual inductance with inner coil. Find the ratio c) Now insert an iron rod with relative permeability ur 5000, filling the inner coil. Assuming...
A circular coil that has N = 210 turns and a radius of r = 9.00 сm lies in a magnetic field that has a magnitude of Bo = 0.0600 T directed perpendicular to the plane of the coil. What is the magnitude of the magnetic flux Og through the coil? OB = 0.321 The magnetic field through the coil is increased steadily to 0.180 T over a time interval of 0.515 s. What is the magnitude El of the...
A circular coil 20.0 cm in radius and composed of 145 tightly wound turns carries a current of 2.60 A in the counterclockwise direction, where the plane of the coil makes an angle of 15.0° with the y axis (see figure below). The coil is free to rotate about the z axis and is placed in a region with a uniform magnetic field given by B = 1.30 ſ T. 1 B y A = 15.0° (a) What is the...
Chapter 22 - Electromagnetic Induction 4-A flat circular coil with N = 105 turns, a radius of r = 4 × 10-2 m, and a resistance of R 0.480 ? is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate of AB = 0.783 T s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at...
A circular coil that has N 280 turns and a radius of r 9.50 cm lies in a magnetic field that has a magnitude of Bo 0.0635 T directed perpendicular to the plane of the coil. what is the magnitude of the magnetic flux Φ B through the coil? T-m2 The magnetic field through the coil is increased steadily to 0.145 T over a time interval of 0.305 s. What is the magnitude |El of the emf induced in the...
A flat circular coil of 1 cm radius is rotated at 10 revolutions per second about an axis that is perpendicular to a uniform magnetic field of magnitude 2.5 T. How many turns are required in the coil to generate a peak voltage of 750 mV? 2 turns 5 turns 8 turns 15 turns 20 turns An object is located at a distance of 5.7 cm from a thin lens with a radius of curvature of 66.0 mm. The image...
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