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(1)
Consider the first circuit. All the three resistances are connected in series, the current passes thought all the resistors will be the same. Use the Ohm’s law equation, solve for the resistance R2.
Use the Ohm’s law equation, solve for the potential V1, V2, and V3. Also, calculate the power delivered to each resistor.
Therefore, the complete data for the first circuit is,
(2)
Consider the second circuit. All the three resistances are connected in parallel, the voltage across each resistor will be the same. Use the Ohm’s law equation, solve for the unknown resistances, and the currents the resistors.
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