Consider a straight conductor XY carrying a current I as shown. To find the magnetic field at P, consider a small current element of length dl. Consider a straight conductor XY carrying a current I as shown. To find the magnetic field at P, consider a small current element of length dl. ..
In this page we are going to discuss about algebraic expressions with variables concept. In Algebra expressions we use symbols and literals. Algebraic expressions are combination of different variables and numbers. An expression involving numbers a..