If Several Resistors Are Connected in Series

A voltage spike is a transient event typically lasting 1 to 30 microseconds that may reach over 1000 volts. The battery pack for a hand-held power tool might contain a dozen.

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These voltages are.

. The total resistance of two or more resistors connected in series is equal to the sum of their individual resistances. A surge protector or spike suppressor surge suppressor surge diverter surge protection device SPD or transient voltage surge suppressor TVSS is an appliance or device intended to protect electrical devices from voltage spikes in alternating current AC circuits. The combination of a resistor and capacitor connected in series to an AC source is called a series RC circuit.

Figure 1 shows a resistor and pure or ideal capacitor connected in series with an AC voltage source. Two disposable zinc cells in series might power a flashlight or remote control at 3 volts. The current flow in the circuit causes voltage drops to be produced across the capacitor and the resistor.

Where several cells connected in series are used to obtain a convenient operating voltage.

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