Which row correctly identifies the quantity defined as the work done per unit charge in converting non-electrical energy into electrical energy, how the instrument used to measure this quantity is connected in a circuit, and the ideal internal resistance of this instrument?
RowQuantityConnection of deviceIdeal resistance of deviceAElectromotive forcein parallelInfiniteBElectromotive forcein seriesZeroCPotential differencein parallelInfiniteDPotential differencein seriesZero \begin{array}{|c|c|c|c|} \hline \textbf{Row} & \textbf{Quantity} & \textbf{Connection of device} & \textbf{Ideal resistance of device} \\ \hline \textbf{A} & \text{Electromotive force} & \text{in parallel} & \text{Infinite} \\ \hline \textbf{B} & \text{Electromotive force} & \text{in series} & \text{Zero} \\ \hline \textbf{C} & \text{Potential difference} & \text{in parallel} & \text{Infinite} \\ \hline \textbf{D} & \text{Potential difference} & \text{in series} & \text{Zero} \\ \hline \end{array} RowABCDQuantityElectromotive forceElectromotive forcePotential differencePotential differenceConnection of devicein parallelin seriesin parallelin seriesIdeal resistance of deviceInfiniteZeroInfiniteZeroRow A
Row B
Row C
Row D
42 exam-style questions on OCR GCSE Physics Simple circuits. Each one has a worked solution and a mark scheme showing where the marks go.