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Which of the following is a correct expression for electric current? (2022)

Practice Questions

Q1
Which of the following is a correct expression for electric current? (2022)
  1. I = V/R
  2. I = R/V
  3. I = V × R
  4. I = V + R

Questions & Step-by-Step Solutions

Which of the following is a correct expression for electric current? (2022)
  • Step 1: Understand what electric current is. Electric current (I) is the flow of electric charge in a circuit.
  • Step 2: Learn about Ohm's law, which relates voltage (V), current (I), and resistance (R).
  • Step 3: Remember the formula from Ohm's law: I = V/R.
  • Step 4: Identify that in this formula, I represents electric current, V represents voltage, and R represents resistance.
  • Step 5: Conclude that the correct expression for electric current is I = V/R.
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