Substituting the values in the given formula we get, d = 1.6 cm. Question: Calculate at what distance from a negative charge of 5.536 nC would theĮlectric field strength be equal to 1.90 x 10 5 N/C? This is because an electric field is conservative in nature and hence the lines don’t form a closed loop Two electric field lines never intersect or cross each other, as if they do, there will be two vectors depicting two directions of the same electric field, which is not possible.In a charge-free region, electric field lines are continuous and smooth.Electric field lines start from a positive charge and end at a negative charge, in case of a single charge, electric field lines end at infinity.Some general properties of these lines are as follows: Browse more Topics under Electric Charges And Fieldsĭownload Conductors and Insulators Cheat Sheet PDFĮlectric field lines generally show the properties to account for nature of electric fields. This is because the strength of the electric field decreases as we move away from the charge. The lines closer to the charge represent a strong electric field and the lines away from charge correspond to the weak electric field. The direction of arrows of field lines depicts the direction of the electric field, which is pointing outwards in case of positive charge and pointing inwards in case of a negative charge.įurther, the magnitude of an electric field is well described by the density of charges. Also, since the electric field is inversely proportional to the square of the distance, the electric field strength decreases, as we move away from the charge. The strength of electric fields is usually directly proportional to the lengths of electric field lines. Instead of using complex vector diagram each time, electric field lines can be used to describe the electric field around a system of charges in an easier way. Faraday always thought of electric field lines as ones which can be used to describe and interpret the invisible electric field. The concept of electric field was first proposed by Michael Faraday, in the 19 th century. Electric Field Lines can be easily defined as a curve which shows the direction of an electric field when we draw a tangent at its point. There are certain properties, rules, and applications of electric field lines. This pictorial representation is called the electric field lines. An electric field can be used in the pictorial form to describe the overall intensity of the field around it.
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