Which one of the following graphs represents the correct relationship between th

Question

Which one of the following graphs represents the correct relationship between the resistance of a conductor and the reciprocal of its cross section area. The graph below represents the relationship between the resistance and the length of a wire of a cross section area A = 1.71 times 10^-7 m^2. Depending on the graph, the resistivity (in Ohm m) of the wire's material is: a) 1.95 times 10^-7 b) 2.08 times 10^-7 c) 2.85 times 10^-7 d) 2.22 times 10^-7 Kirchhoff's voltage law is a statement of conservation of: a) charge b) energy c) strangeness d) momentum According to Kirchhoff's voltage law, the reading of the voltmeter across R_3 in the shown circuit must be. a) 1.0 V b) 2.0 V c) 3.0 V d) 4.0 V Which of the following is correct according to Kirchhoff's current law?

Explanation / Answer

Q14......d ....R/A graph is related to temp

Q16......b...law is based on energy

Q18.....d......kirchhofs current law

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