How to Wire Resistors in a Series & in Parallel

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    Wiring Resistors in Series

    • 1). Cut three lengths of wire for the circuit. These are referred to as wires 1, 2 and 3 in subsequent steps. Wire 3 must be at least two times longer than wires 1 and 2.

    • 2). Strip each end of all three wires with wire strippers.

    • 3). Solder one end of wire 1 to the positive terminal of a battery.

    • 4). Solder the other end of wire 1 to side "A" of the first resistor. Choose either end of the resistor, as the orientation will not affect the performance.

    • 5). Solder one end wire 2 to side "B" of the first resistor.

    • 6). Solder the free end of wire 2 to side "A" of the second resistor.

    • 7). Solder one end of wire 3 to side "B" of the second resistor.

    • 8). Solder the free end of wire 3 to the negative terminal of the battery to complete the series circuit.

    Wiring in Parallel

    • 1). Cut four lengths of wire. These are referred to as wires 1, 2, 3 and 4 in subsequent steps.

    • 2). Strip each end of all four wires with the wire strippers.

    • 3). Arrange the resistors so that they are perpendicular to you and parallel to each other. Side "A" is the top of each resistor and side "B" is the bottom.

    • 4). Solder wire 1 to side "A" of the first resistor and side "A" of the second resistor.

    • 5). Solder wire 2 to side "B" of the first resistor and side "B" of the second resistor.

    • 6). Solder wire 3 to side "A" of the first resistor and the positive terminal of the battery.

    • 7). Solder wire 4 to side "B" of the first resistor and the negative terminal of the battery to complete the parallel circuit.

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