What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it?

A. 18.75 At

B. 30 At

C. 300 At

D. 187 At

Answer: Option C

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Related Questions on Magnetism and Electromagnetism

Fleming's left hand rule is used to find

A. Direction of magnetic field due to current carrying conductor

B. Direction of flux in a solenoid

C. Direction of force on a current carrying conductor in a magnetic field

D. Polarity of a magnetic pole