A battery supplying 12 V is connected in series with two resistors. The potential difference across the first resistor is 4 V. What is the potential difference across the second resistor?
Four identical resistors are placed in series in a circuit. The resistance of all four resistors together is 36 Ω. What is the resistance of each resistor individually?
The circuit in the diagram consists of two resistors in series, with ammeters, , , and , placed at different points in the circuit. reads 4 A.
What is the current given by the second ammeter, ?
What is the current given by the third ammeter, ?