A circular coil of wire with radius 4 cm and 20 turns is placed in a...

A circular coil of wire with radius 4 cm and 20 turns is placed in a uniform magnetic field of magnitude 0.3 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 has a resistance per unit length of 3 Ω/m, how much current flows in the coil

Expert Solution

genius_generous answered 6 months ago

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