Questions
A coil of 40 resistance has 100 turns and radius 6 mm is connected to ammeter of resistance of 160 ohms. Coil is placed perpendicular to the magnetic field. When coil is taken out of the field, 32 C charge flows through it. The intensity of magnetic field will be
detailed solution
Correct option is D
q=−NRB2−B1Acosθ32×10−6=−100(160+40)(0−B)×π×6×10−32×cos0∘⇒B=0.565TTalk to our academic expert!
Similar Questions
A square wire loop, of side a has a long straight wire carrying a constant current i that passes through the centre of the loop and perpendicular to its plane as shown in Fig.
The current induced in the square loop is
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