The resistance of a 2m length cable is 2.5 ohms. Determine the resistance of a 7m length of the same cable
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- The resistance of a 2m length of cable is 2.5 . Determine (a) the resistance of a 7m length of the same cable and (b)the length of the same wire when the resistance is 6.250.The diameter of wire A is greater than the diameter of wire B, but their lengths and resistivities are identical. For a given voltage difference across the ends, what is the relationship between PA and PB, the dissipated power for wires A and B, respectively?A given wire has a resistance of 17-5 ohms. If its length is 560m, how much length must be cut-off from the wire in order to reduce its resistance to 12.5 ohms.
- 7. The conductance of a certain wire is 0.5S. Another wire of the same material and at the same temperature has a diameter twice as great and a length three times as great. What is the conductance of the second wire?1. What is the relationship of voltage and current (concerning phase angle) in a pure resistive circuit?The conductance of a 923Ω resistance isa) 1.08 * 10-3 mhob) 1.08 * 10-4 mhoc) 1.02 * 10-3 mhod) 1.02 * 10-4 mho
- 1. A given conductor has a resistance of 0.5 ohm. It is drawn down to reduce its diameter to onefourth of its original diameter. Find new resistance?a. For the resistors in series, is there a significant difference in the values of individual currents? If there are, what are the sources of variation? b. For the resistors in parallel, is there a significant difference in the values of individual currents? If there are, what are the sources of variation?3.- For the following circuit, determine the following:(a) Currents in each branch. b) Potential differences between each branch (from junction to junction). c) Electric potentials in each junction with respect to ground