A 25-turn coil UN Shape square of 1.80 cm on each side. The total resistance in...
A 25-turn coil UN Shape square of 1.80 cm on each side. The total resistance in the coil is 0.35 ohms and applies a magnetic field perpendicular to the plane of the coil. ( A) If the magnetic field varies from zero up 0.50 T is 8 Seconds , get the emf induced in the coil ( b ) Find the magnitude and direction of the induced current in the coil.
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A 25-turn coil UN Shape square of 1.80 cm on each side. The total resistance in...
A 23-turn circular coil of radius 3.00 cm and resistance 1.00 is placed in a magnetic...
A 23-turn circular coil of radius 3.00 cm and resistance 1.00 is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 Ot + 0.040 ot, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s. 2.77 If the flux is changing as a function of time, how do...
A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a...
A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s. If the flux is changing as a function of time, how...
A 114-turn square coil of side 20.0 cm rotates about a vertical axis at ω =...
A 114-turn square coil of side 20.0 cm rotates about a vertical axis at ω = 1.20 103 rev/min as indicated in the figure below. The horizontal component of Earth's magnetic field at the coil's location is equal to 2.00 10-5 T. (a) Calculate the maximum emf induced in the coil by this field. 1.824 mV (wrong) (b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? The plane of the...
1) A 179‑turn circular coil of radius 3.55 cm and negligible resistance is immersed in a...
1) A 179‑turn circular coil of radius 3.55 cm and negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 13.7 Ω resistor to create a closed circuit. During a time interval of 0.121 s, the magnetic field strength decreases uniformly from 0.643 T to zero. Find the energy, in millijoules, that is dissipated in the resistor during this time interval. energy: mJ 2) You decide...
A 65-turn circular coil (radius = 31 cm) with a total resistance of 5.4 ? is...
A 65-turn circular coil (radius = 31 cm) with a total resistance of 5.4 ? is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of this field varies with time according to B = A sin(?t), where the amplitude is A = 110 ?T and the angular frequency is ? = 50 ? rad/s. What is the magnitude of the current (in mA) induced in the coil at t = 39 ms?
A square, 34.0-turn coil that is 11.0 cm on a side with a resistance of 0.660n...
A square, 34.0-turn coil that is 11.0 cm on a side with a resistance of 0.660n is placed between the poles of a large electromagnet. The electromagnet produces a constant, uniform magnetic field of 0.450 T directed out of the screen. As suggested by the figure, the field drops sharply to zero at the edges of the magnet. The coil moves to the right at a constant velocity of 1.80 cm/s. What is the current ij through the wire coil...
A 117-turn square coil of side 20.0 cm rotates about a vertical axis at ω = 1350 rev/min as indicated in the figure below.
A 117-turn square coil of side 20.0 cm rotates about a vertical
axis at ω = 1350 rev/min as indicated in the figure below.
The horizontal component of the Earth's magnetic field at the
coil's location is equal to 2.00 ✕ 10−5 T.(a) Calculate the maximum emf induced in the coil by this field. (b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? The plane of the coil is perpendicular to the...
12. A 20-turn circular coil (radius = 4.0 cm, total resistance = 0.20 2) is placed...
12. A 20-turn circular coil (radius = 4.0 cm, total resistance = 0.20 2) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B(t) = 50e-0.5t mt. where t is measured in seconds. What is the magnitude of the induced current in the coil at 3.0 s? (8 points) + 5 6. B r=.04m 3 why? 2000- R=.2002 B(E)=50est m N=20 (I....
9. A 30-turn circular coil of radius 4 cm and resistance 1 Ω is placed in...
9. A 30-turn circular coil of radius 4 cm and resistance 1 Ω is placed in a magnetic field directed perpendicu- lar to the plane of the coil. The magnitude of the mag- netic field varies in time according to the expression B 0.01t+0.04t2, where t is in s and B is in T. Calcu- late the induced emf in the coil at t 5 s.
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of...
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.61 V and a current of 3.2 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What emf and current are induced in...
A 23-turn circular coil of radius 3.00 cm and resistance 1.00 is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 Ot + 0.040 ot, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s. 2.77 If the flux is changing as a function of time, how do...
A square, 34.0-turn coil that is 11.0 cm on a side with a resistance of 0.660n is placed between the poles of a large electromagnet. The electromagnet produces a constant, uniform magnetic field of 0.450 T directed out of the screen. As suggested by the figure, the field drops sharply to zero at the edges of the magnet. The coil moves to the right at a constant velocity of 1.80 cm/s. What is the current ij through the wire coil...
12. A 20-turn circular coil (radius = 4.0 cm, total resistance = 0.20 2) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B(t) = 50e-0.5t mt. where t is measured in seconds. What is the magnitude of the induced current in the coil at 3.0 s? (8 points) + 5 6. B r=.04m 3 why? 2000- R=.2002 B(E)=50est m N=20 (I....
9. A 30-turn circular coil of radius 4 cm and resistance 1 Ω is placed in a magnetic field directed perpendicu- lar to the plane of the coil. The magnitude of the mag- netic field varies in time according to the expression B 0.01t+0.04t2, where t is in s and B is in T. Calcu- late the induced emf in the coil at t 5 s.
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