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Equation
         
    Name Self-Inductance  
 
    Equation L = NΦ I  
 
    Definition of terms L = inductance, N = number of turns, Φ = magnetic flux, I = current  
 
    Comments

  When a current I flows in a circuit, a magnetic flux is set up and there will be a magnetic flux Φ through the circuit. This flux will be proportional to the current, and the constant of proportionality L is called the self-inductance of the circuit.

  The equation above extends this analysis to the case of a current flowing in a coil of N turns.		  
 
    References Electricity and Magnetism , BI Bleaney, B Bleaney, OUP, 3rd edition, 1976  
         


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