The magnetic field perpendicular to a 100 turn coil changes from 0.1T to 0.6T in Is....
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 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...
The area of a 120-turn coil oriented with it's plane perpendicular to a 0.20-T magnetic field is 0.050 m2. Find the average induced emf in this coil if the magnetic field reverses its direction in 0.34s.
The magnetic flux that passes through one turn of a 30-turn coil of wire changes to 2.0 Wb from 11.0 Wb in a time of 0.028 s. The average induced current in the coil is 155 A. What is the resistance of the wire? (10 points) 1) 2) A proto n in a particle accelerator has a speed of 5.0 X 10 m/s. The proton encounters a magnetic field whose magnitude is 0.40 T a) Find the magnitude of the...
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
Question 4; 4a. A 0.5 m wire moves perpendicular to a .02 T magnetic field at a speed of 25 m’s. Find the induced e.m.f. in the wire. 4b. A circular coil of wire has 100 turns, an internal area of 0.25 m2. A magnetic field inside the coil changes form 0.02 T to 0.08 T in 0.001 seconds. Find the induced e.m.f. in the coil. 4c. Find the magnetic flux inside a coil that has a magnetic field of...
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 generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. The average induced EMF doubles if the magnetic field B is doubled. The average induced EMF doubles if the area A is doubled. The average induced EMF doubles if the frequency f is doubled. The average induced EMF doubles if the resistance...
The area of a 140 turn coil oriented with its plane perpendicular to a 0.17 T magnetic field is 6.9×10−2 m2 . Find the average induced emf in this coil if the magnetic field reverses its direction in 0.38 s .
A generator is constructed by rotating a coil of N turns in a magnetic field B at a frequency f. The internal resistance of the coil is R and the cross sectional area of the coil is A. True or False 1. The average induced EMF doubles if the resistance R is doubled 2. The average induced EMF doubles if the magnetic field B is doubled 3. The maximum induced EMF occurs when the coil is rotated about an axis...