SELECT * FROM question_mgmt as q WHERE id=3794 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=263 and ex_no='3' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Electricity will current flow more easily through a thick wire

Question:

Will current flow more easily through a thick wire or a thin wire of the same material, when connected to the same source? Why?

Answer:

Resistance of a conductor is inversely proportional to the area of cross-section of the wire.Thicker the wire, lower is the resistance of the wire and vice-versa as current can flow more easily through a thick wire than a thin wire.

 Resistance is tendency that oppose the flow of current which depends upon  

                    R= l/A

 = Resistivity of the material of the wire

l = Length of the wire

A = Area of cross-section of the wire


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