Find the expression for the electric field, e [infinity] , of the ring as the point p becomes very far from the ring ( x ≫ r ) in terms of the radius r , the distance x , the total charge on the ring q , and the constant k = 1 / ( 4 π ϵ 0 ).

The expression of the field E as the point P becomes very far from the ring is:

Step-by-step explanation:

The Electric field expression is:

To determine the asked expression we use limits. If we consider that x≫R, this is the same as considering the radius insignificant respect the x distance. Therefore we can considerate than from this distance X, the radius R tends to zero:

answer is : muchas/tipicas

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~recklesschicken

total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5