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What is Ohm's Law?

Practice Questions

Q1
What is Ohm's Law?
  1. V = I * R
  2. P = V * I
  3. I = V / R
  4. R = V / I

Questions & Step-by-Step Solutions

What is Ohm's Law?
  • Step 1: Understand that Ohm's Law is a basic principle in electricity.
  • Step 2: Know that it relates three important concepts: voltage (V), current (I), and resistance (R).
  • Step 3: Remember that voltage (V) is the electrical force that pushes current through a conductor.
  • Step 4: Understand that current (I) is the flow of electric charge in a circuit.
  • Step 5: Recognize that resistance (R) is the opposition to the flow of current.
  • Step 6: Learn the formula for Ohm's Law: V = I × R.
  • Step 7: Realize that if you know any two of these values (V, I, R), you can calculate the third.
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