In an AC circuit, what is the relationship between voltage (V), current (I), and

Practice Questions

Q1
In an AC circuit, what is the relationship between voltage (V), current (I), and impedance (Z)?
  1. V = I * Z
  2. I = V * Z
  3. Z = V / I
  4. Z = I / V

Questions & Step-by-Step Solutions

In an AC circuit, what is the relationship between voltage (V), current (I), and impedance (Z)?
  • Step 1: Understand that in an AC circuit, voltage (V) is the electrical potential difference.
  • Step 2: Know that current (I) is the flow of electric charge.
  • Step 3: Learn that impedance (Z) is the total opposition to current flow in an AC circuit, similar to resistance in a DC circuit.
  • Step 4: Remember the formula that connects these three: V = I * Z.
  • Step 5: This means that if you know the current and impedance, you can find the voltage by multiplying them.
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