b) A student sets up an electric circuit like the one shown in Figure Q1(b). i) Describe how a student would measure the current and voltage value for each component in the circuit in a laboratory. ii) By using nodal analysis method determine the value of current and voltage across the 42 resistor? iii) From the result obtained in Q1(b)(ii) please do explain why.

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.