Voltage is the measure of the electric potential difference between two points in a circuit. It is measured in volts (V) and represents the force that pushes electric charges through a circuit.
Voltage can be found by using Ohm's Law, which states that voltage (V) is equal to the product of current (I) and resistance (R) in a circuit. This can be represented by the equation V=IR.
Yes, a multimeter is a commonly used tool for measuring voltage in a circuit. It has settings for both direct current (DC) and alternating current (AC) voltage measurements.
DC voltage is the constant flow of electric current in one direction, while AC voltage alternates the flow of electric current in two directions. DC voltage is commonly used in batteries and electronic devices, while AC voltage is used in power outlets and household appliances.
The voltage in a circuit can be affected by several factors, including the type and number of components in the circuit, the length and thickness of wires, and the power source. Changes in these factors can cause fluctuations in voltage.