Why Current is Same in Series and Different in Parallel Circuit #education #class10th #physics

Resistance in an electrical circuit has multiple uses, including:

Controlling current flow: Resistors limit the amount of current that flows through a circuit, ensuring that it's at the right level. For example, when powering an LED, a resistor is used to prevent the LED from being damaged by too much current.

Converting electrical energy to heat: Resistance can convert electrical energy into heat energy, according to Joule's law of heating.

Dividing voltage: A voltage divider circuit, or resistor, can divide a voltage. This is useful when it's not possible to measure voltage directly, such as in high voltage circuits.

Troubleshooting: Measuring resistance in a circuit can help identify problems like failed components, damaged insulation, or weak connections.

Adjusting signal levels: Resistors can be used to adjust signal levels.

Terminating transmission lines: Resistors can be used to terminate transmission lines.

Sensing devices: Variable resistors can be used to sense things like heat, light, humidity, force, or chemical activity.

Resistance is measured in ohms (Ω).

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