Learn about Ohm's Law and its application in electrical circuits.
The law that defines the relationship between voltage, current, and resistance in an electrical c...
The unit of measurement for electrical resistance.
The formula to calculate current (I) using voltage (V) and resistance (R).
The formula to calculate voltage (V) using current (I) and resistance (R).
The formula to calculate resistance (R) using voltage (V) and current (I).
Ohm's Law is fundamental to understanding electrical circuits, it allows for calculations of volt...
The potential difference in charge between two points in a circuit, measured in volts.
The rate at which charge is flowing, measured in amperes.
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The law that defines the relationship between voltage, current, and resistance in an electrical circuit.
Ohm's Law
The unit of measurement for electrical resistance.
Ohm (Ω)
The formula to calculate current (I) using voltage (V) and resistance (R).
I = V / R
The formula to calculate voltage (V) using current (I) and resistance (R).
V = I × R
The formula to calculate resistance (R) using voltage (V) and current (I).
R = V / I
Ohm's Law is fundamental to understanding electrical circuits, it allows for calculations of voltage, current and resistance.
The Concept of Ohm’s Law in Electrical Work
The potential difference in charge between two points in a circuit, measured in volts.
Voltage (V)
The rate at which charge is flowing, measured in amperes.
Current (I)
Opposition to the flow of electric current, resulting in energy being lost as heat, measured in ohms.
Resistance (R)
The power law, it calculates power (P) using voltage (V) and current (I).
P = V × I
The component in an electrical circuit that consumes electric power.
Electrical Load
As resistance increases, the current in the circuit decreases if voltage remains constant.
Resistance Effect on Current
Ohm's Law allows electricians and engineers to determine the best components for a specific circuit design.
Understanding Ohm's Law in Circuit Design
In series circuits, current is constant and voltage varies. In parallel circuits, voltage is constant and current varies.
Series and Parallel Circuits and Ohm’s Law
Conductors have low resistance while insulators have high resistance.
Conductors and Insulators in Electronic Resistance
Resistance of most materials increases with temperature. In semiconductors, resistance decreases with temperature.
Impact of Temperature on Resistance
Ohm's law helps to calculate current, voltage, and resistance to install correct wire sizes in electrical units.
Ohm's Law Applications in Electrical Wiring
Multimeters are used for troubleshooting and measuring electrical quantities in a circuit based on Ohm's Law.
Multimeters Measure Voltage, Current, and Resistance
Voltage drop depends on wire size, wire type, and the distance electricity has to travel.
Voltage Drops in Circuits
Proper grounding ensures safety, prevents voltage spikes, and maintains voltage quality.
Importance of Proper Grounding
Understanding the values for voltage, current, and resistance helps to identify any faults in a circuit.
Ohm’s Law in Troubleshooting Electrical Issues
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