What is the relationship between voltage, current, and resistance according to Ohm's Law?

• A. Voltage = Current + Resistance
• B. Voltage = Current x Resistance
• C. Voltage = Current - Resistance
• D. Voltage = Resistance / Current

Answer: (B)

The relationship between voltage, current, and resistance is defined by Ohm's Law, which states that voltage is equal to the product of current and resistance. Mathematically, this can be expressed as Voltage = Current x Resistance.

In this formula, voltage (measured in volts) represents the electrical potential difference, current (measured in amperes) is the flow of electric charge, and resistance (measured in ohms) signifies how much the conductor resists the flow of electricity. This relationship illustrates how a change in either current or resistance directly affects the voltage across a circuit component.

For instance, if you increase the resistance in a circuit while holding current constant, the voltage must increase to maintain the balance dictated by Ohm's Law. Similarly, if you know the resistance of the circuit and the amount of current flowing through it, you can determine the voltage across the circuit using this relationship, which is fundamental in electrical engineering and pipefitting applications involving electrical systems.

Other options do not accurately represent the foundational principle of Ohm's Law, as they either misrepresent the interactions between voltage, current, and resistance or use incorrect mathematical operations.