Find magnitude of the emf induced in rectangular loop
A rectangular loop is located in a uniform magnetic field of magnitude 0.34 T directed perpendicular to the plane of the coil. If the area of the coil increases at the rate of 5.1 10-3 m2/s, what is the magnitude of the emf induced.
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When a massive star dies, gravity causes its radius to contract quickly from the size of a giant star (R_i= 8.0x10^8m). find the final rotation period of the neutron star.
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