What is the correct formula to calculate current in a DC circuit using Ohm's law?

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Multiple Choice

What is the correct formula to calculate current in a DC circuit using Ohm's law?

Explanation:
In a DC circuit, Ohm’s law describes how current, voltage, and resistance relate. The current through a component is found by dividing the voltage across it by its resistance: I = V / R. Here I is in amperes, V in volts, and R in ohms. For example, with 12 volts across a 4-ohm resistor, the current is 12 ÷ 4 = 3 A. The other forms, V = I × R and R = V / I, are just rearrangements of the same relationship for solving different variables. P = V × I is the power formula, using the same voltage and current but describing power, not current itself.

In a DC circuit, Ohm’s law describes how current, voltage, and resistance relate. The current through a component is found by dividing the voltage across it by its resistance: I = V / R. Here I is in amperes, V in volts, and R in ohms. For example, with 12 volts across a 4-ohm resistor, the current is 12 ÷ 4 = 3 A. The other forms, V = I × R and R = V / I, are just rearrangements of the same relationship for solving different variables. P = V × I is the power formula, using the same voltage and current but describing power, not current itself.

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