You need to know how to measure the current that flows through a component in a circuit and the voltage across it. The ammeter must ... circuit between the positive and negative poles of the ...

You can obtain a precise, positive-output voltage from a negative-voltage supply with a boost converter and a linear regulator. The input and output capabilities of the circuit in Figure 1 depend on ...

Make sure you know the difference between these two symbols, a cell is one big and little vertical line (to indicate positive and negative ... to what. A circuit with an ammeter connected in ...