A circular coil (800 turns, radius = 0.040 m) is rotating in a uniform magnetic field....
A circular coil (800 turns, radius = 0.040 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.028 s, the normal makes an angle of 45o with the field because the coil has made one-eighth of a revolution. An average emf of magnitude 0.094 V is induced in the coil. Find the magnitude of the magnetic field at the location of the coil.
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A circular coil (800 turns, radius = 0.040 m) is rotating in a
uniform magnetic field....
7) A coil 0.040 m in radius, containing 400 turns is placed in a uniform field...
7) A coil 0.040 m in radius, containing 400 turns is placed in a uniform field which varies with time B-0.0120 t + 3x10° t. The coil is connected to a 600-Ω resistor and its plane is perpendicular to the magnetic field. (a) Find the magnitude of the induced emf in the coil as a function of time. (b) What is the current in the resistor at time t-5 s? [(a) e 0.0302 3.2x104 t3, (b) 1.13x104A]
A 141 turn circular coil of radius 2.61 cm is immersed in a uniform magnetic field...
A 141 turn circular coil of radius 2.61 cm is immersed in a
uniform magnetic field that is perpendicular to the plane of the
coil. Over an interval of 0.177 s , the magnetic field strength
increases from 53.1 mT to 96.9 mT . Find the magnitude of the
average emf avg induced in the coil during this time interval, in
millivolts.
A 141 turn circular coil of radius 2.61 cm is immersed in a uniform magnetic field that is...
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?
A coil 4.40 cm radius, containing 600 turns, is placed in a uniform magnetic field that...
A coil 4.40 cm radius, containing 600 turns, is placed in a uniform magnetic field that varies with time according to B=( 1.20×10−2 T/s )t+( 3.10×10−5 T/s4 )t4. The coil is connected to a 590-Ω resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. A) Find the magnitude of the induced emf in the coil as a function of time. B) What is the current in the resistor at time t0...
A 123-turn circular coil of radius 2.35 cm is immersed in a uniform magnetic field that...
A 123-turn circular coil of radius 2.35 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. During 0.197 s the magnetic field strength increases from 53.5 mT to 95.7 mT. Find the magnitude of the average EMF, in millivolts, that is induced in the coil during this time interval.
A circular coil of wire with radius 2 cm and 60 turns is placed in a...
A circular coil of wire with radius 2 cm and 60 turns is placed in a uniform magnetic field of magnitude 0.8 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil...
A 115 turn circular coil of radius 2.69 cm is immersed in a uniform magnetic field...
A 115 turn circular coil of radius 2.69 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Over an interval of 0.117 s, the magnetic field strength increases from 53.5 mT to 91.3 mT. Find the magnitude of the average emf Eave induced in the coil during this time interval, in millivolts.
A 123 turn circular coil of radius 2.47 cm is immersed in a uniform magnetic field...
A 123 turn circular coil of radius 2.47 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Over an interval of 0.137 s, the magnetic field strength increases from 50.1 mT to 97.9 mT. Find the magnitude of the average emf Eavg induced in the coil during this time interval, in millivolts. Eavg = 84.9 mV Incorrect
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/conterclockwise)? To solve this problem I used The Coulomb’s law; The Snall’s law; The Faradey’s law; The Lentz’s law; A and...
A circular coil of wire with a radius 4 cm and 150 Turns is placed in...
A circular coil of wire with a radius 4 cm and 150 Turns is placed in a uniform magnetic field of magnitude 0.6 T. The magnetic field is parallel to the area vector; I.e. perpendicular to the plane of the coil. A)What is the magnetic flux through the coil? B)The magnetic field is decreased to 0T in .1 seconds. What is the magnitude of the emf induced in the coil during this time interval?C) If the coil has a resistance...
7) A coil 0.040 m in radius, containing 400 turns is placed in a uniform field which varies with time B-0.0120 t + 3x10° t. The coil is connected to a 600-Ω resistor and its plane is perpendicular to the magnetic field. (a) Find the magnitude of the induced emf in the coil as a function of time. (b) What is the current in the resistor at time t-5 s? [(a) e 0.0302 3.2x104 t3, (b) 1.13x104A]
A 141 turn circular coil of radius 2.61 cm is immersed in a
uniform magnetic field that is perpendicular to the plane of the
coil. Over an interval of 0.177 s , the magnetic field strength
increases from 53.1 mT to 96.9 mT . Find the magnitude of the
average emf avg induced in the coil during this time interval, in
millivolts.
A 141 turn circular coil of radius 2.61 cm is immersed in a uniform magnetic field that is...
A circular coil of wire with radius 2 cm and 60 turns is placed in a uniform magnetic field of magnitude 0.8 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil...
A 115 turn circular coil of radius 2.69 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Over an interval of 0.117 s, the magnetic field strength increases from 53.5 mT to 91.3 mT. Find the magnitude of the average emf Eave induced in the coil during this time interval, in millivolts.
A 123 turn circular coil of radius 2.47 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Over an interval of 0.137 s, the magnetic field strength increases from 50.1 mT to 97.9 mT. Find the magnitude of the average emf Eavg induced in the coil during this time interval, in millivolts. Eavg = 84.9 mV Incorrect
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