A solenoid of 36 turns and area 20 cm2 has its ends connected together though a resistance of 5 Ohms. A magnetic field of flux density 3.0 × 10−2 T is at right angles to the plane of the coils. Calculate the quantity of charge flowing in the coil if the field is removed. Give your answer in millicoulomb (mC)

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A solenoid of 36 turns and area 20 cm2 has its ends connected together though a resistance of 5 Ohms. A magnetic field of flux density 3.0 × 10−2 T is at right angles to the plane of the coils. Calculate the quantity of charge flowing in the coil if the field is removed. Give your answer in millicoulomb (mC). 
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