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 the square coil?
emf | V |
current | A |
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 0.26 V and a current of 4.9 A are induced in the coil. The wire is then 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 (a) emf and (b) current are...
4. A 130 turn circular coil has a diameter of 5.2 cm. A magnetic field perpendicular to the coil is changing at 0.75 T/. The induced emf in the coil is (a) 0.07 V (b) 0.14V (c) 0.21V (d) 0.28V 5.a cm 130 V T 0 75T
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...
11. A uniform magnetic field is applied perpendicular to the plane of a 340 turn circular coil with a radius of 2.0cm and a resistance of 1.80 2. If the magnetic field increases uniformly from 0.30 T to 0.8T in 0.20s, what is the magnitude of the emf induced in the coil? Hint 1: Faradays Electromagnetic induction, interactive calculation, animation A) 7.2V B) 5.4V C) 9.2V D) 12V E) 16V
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.
nt to p in the loop? (b) If the magnetic field r of 2.1 T, what is the magnitude of the ra verage emf has the 24. A uniform magnetic field is perpendi circular coil. The magnitude of the fiel in of basi rs, and o ummaie Section 22.4 Faraday's Law of Electromagnetic Induction 18. A magnetic field passes through a stationary wire loop, and its magnitude changes in time according to the graph in the drawing. The direction of...
A magnetic field of magnitude 1.42 T is perpendicular to the plane of a circular wire loop. As the magnetic field decreases to zero in a time of 0.0314 s, the average induced emf is 0.284 V. What is the radius of the loop?
A circular coil of radius 0.100 m contains a single turn and is located in a constant magnetic field of magnitude 0.270 T. The magnetic field has the same direction as the normal to the plane of the coil. The radius increases to 0.310 m in a time of 0.0730 s. (a) Determine the magnitude of the emf induced in the coil. (b) The coil has a resistance of 0.790 . Find the magnitude of the induced current. (a) Number...
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 square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. The square loop is then re-formed into a circular loop, which also consists of a single turn and is also perpendicular to the same magnetic field. The magnetic flux that passes through the square loop is 6.64 × 10-3 Wb. What is the flux that passes through the circular loop?