Questions
A coil of 100 turns and area 5 square centimetre is placed in a magnetic field B = 0.2 T. The normal to the plane of the coil makes an angle of 60° with the direction of the magnetic field. The magnetic flux linked with the coil is
detailed solution
Correct option is A
ϕ=NBAcosθ=100×0.2×5×10−4cos60∘=5×10−3WbTalk to our academic expert!
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Some magnetic flux is changed from a coil of resistance 10. As a result, an induced current is developed in it, which varies with time as shown in figure. Find the magnitude of the change in flux through the coil in weber.
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