How is Ohms useful to mankind? Examples
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Appliances such as electric heaters, electric ovens, and toasters all use resistors to turn current into heat, then using the heat lost from this resistor to warm the surrounding area. Resistors also have applications in electrical devices like computers and cell phones to damp out unwanted electrical signals.The voltage across resistor R1 is equal to 4 V. Find the current passing through resistor R2 and the voltage across the same resistor. We use Ohm's law V = R I to find the current I1 passing through R1. The two resistors are in series and therefore the same current passes through them.
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