Question

How does the resistance of a conductor decrease when cross sectional area increase. Note that when the cross section area increase, no. of atoms in them also increase and thus it is wrong to assume that the electrons get a greater space to move​

Answer 1

Answer:

Question.--What happens to resistance as cross sectional area increases?

answer- The resistance of a conductor is inversely proportional to its area of cross section. ... As the amount of current flowing at constant voltage increases with increase in cross sectional area, resistance

Question - What happens to the total resistance in a wire if its cross sectional area is increased by four times?

1 Answer.- Resistance is directly proportional to the length of the wire, and inversely proportional to the cross sectional area of the wire. ... As a wire gets longer its resistance increases, and as it gets thinner its resistance also increases because its cross sectional area decreases.

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