Respuesta :
By substitution of formula, the expression of principle P is P = I/(r*t) .
What is substitution of formula ?
Substitution of formula is a method to find any parameter from the given expression by substituting the required value from the expression or equation mentioned.
Given expression is I = Prt .
Substituting the parameter of principle(P) from the above expression -
P = I/(r * t)
Thus, by substitution of formula, the expression of principle P is P = I/(r*t) .
To learn more about substitution of formula, refer -
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