A single-turn rectangular coil, whose length is 5 cm and width is 2 cm, has a...
A single-turn rectangular coil, whose length is 5 cm and width is 2 cm, has a resistance of 2 Ω. The magnetic field at all points inside the coil, in a direction parallel to the plane of the rectangular coil, varies according to B = Boe-a1, where Bo = 0.25 T and a = 200 Hz. What is the current induced in the coil at t = 0.001 s?
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A single-turn rectangular coil, whose length is 5 cm and width
is 2 cm, has a...
A single turn coil of radius 4.50 cm is held in a vertical plane and a...
A single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved relative to the coil as shown in the diagram below. coil The field inside the coil changes from 0.270 T to 0.580 T in 0.120 s. If the resistance of the coil is 3.70 Ω, what is the magnitude and direction of the induced current in the coil as viewed from the side of the magnet? magnitude direction Select- mA
A rectangular coil has N = 80 turns and each turn has a width a =...
A rectangular coil has N = 80 turns and each turn has a width a = 20.0 cm and a height b = 30.0 cm. The top half the coil is located in a region that has a magnetic field of magnitude B = 0.800 T directed into the page. The resistance R of the coil is 30.0 W. Find the magnitude and direction of the induced current if the coil is moved with a speed of 2.00 m/s (a)...
A circular coil of radius 0.11 m contains a single turn and is located in a...
A circular coil of radius 0.11 m contains a single turn and is located in a constant magnetic field of magnitude 0.25 T. The magnetic field has the same direction as the normal to the plane of the coil. The radius increases to 0.31 m in a time of 0.080 s. a) Determine the magnitude of the emf induced in the coil. b) The coil has a resistance of 0.71 Ω. Find the magnitude of the induced current.
A 44-turn rectangular coil with length ℓ = 14.0 cm and width w = 8.90 cm...
A 44-turn rectangular coil with length ℓ = 14.0 cm and width
w = 8.90 cm is in a region with its axis
initially aligned to a horizontally directed uniform magnetic field
of 750 mT and set to rotate about a vertical axis with an angular
speed of 64.0 rad/s.
(a) What is the maximum induced emf in the rotating coil? 26.315 V (b) What is the induced emf in the rotating coil at t = 1.00 s? 23.6517 Your...
A 23-turn circular coil of radius 3.40 cm and resistance 1.00 Ω is placed in a...
A 23-turn circular coil of radius 3.40 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 = 5.40 s. mV
A 20-turn coil with radius 4 cm lies in the x-y plane. The coil has a...
A 20-turn coil with radius 4 cm lies in the x-y plane. The coil has a total resistance of 5 Ω. The coil is in the presence of a uniform 0.25 T magnetic field oriented 15° with respect to the positive z-axis. Give the direction (clockwise or counter-clockwise) and magnitude of the current that will be induced in the coil by the field. Additionally what happens to the value of the induced current if the magnetic field changes to a...
please show calculations. the answers are 11mA, 4.8uC, and 1.0V A 50-turn circular coil (radius =...
please show calculations. the answers are 11mA, 4.8uC, and
1.0V
A 50-turn circular coil (radius = 15 cm) with a total resistance of 4.0 ohm is placed in a uniform magnetic field directed perpendicularly to the plane of the coil. The magnitude of this field varies with time according to B = A sin (at), where A = 80 mu T and alpha = 50 pi rad/s. What is the magnitude of the current induced in the coil at t...
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 rectangular coil with a length of 9.0 cm and a width of 4.0 cm and...
A rectangular coil with a length of 9.0 cm and a width of 4.0 cm and 250 turns is placed in a uniform magnetic field with a magnitude of 0.92 T. (a) If the maximum torque experienced by the coil is 0.16 N · m, determine the current in the coil. mA (b) When the magnetic field makes an angle of 35° with the normal to the plane of the coil, determine the magnitude of the torque acting on the...
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 single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved relative to the coil as shown in the diagram below. coil The field inside the coil changes from 0.270 T to 0.580 T in 0.120 s. If the resistance of the coil is 3.70 Ω, what is the magnitude and direction of the induced current in the coil as viewed from the side of the magnet? magnitude direction Select- mA
A 44-turn rectangular coil with length ℓ = 14.0 cm and width
w = 8.90 cm is in a region with its axis
initially aligned to a horizontally directed uniform magnetic field
of 750 mT and set to rotate about a vertical axis with an angular
speed of 64.0 rad/s.
(a) What is the maximum induced emf in the rotating coil? 26.315 V (b) What is the induced emf in the rotating coil at t = 1.00 s? 23.6517 Your...
please show calculations. the answers are 11mA, 4.8uC, and
1.0V
A 50-turn circular coil (radius = 15 cm) with a total resistance of 4.0 ohm is placed in a uniform magnetic field directed perpendicularly to the plane of the coil. The magnitude of this field varies with time according to B = A sin (at), where A = 80 mu T and alpha = 50 pi rad/s. What is the magnitude of the current induced in the coil at t...
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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