If a current of 3 A flows through a resistor of 5 ohms, what is the voltage acro

Practice Questions

Q1
If a current of 3 A flows through a resistor of 5 ohms, what is the voltage across the resistor?
  1. 15 V
  2. 10 V
  3. 5 V
  4. 20 V

Questions & Step-by-Step Solutions

If a current of 3 A flows through a resistor of 5 ohms, what is the voltage across the resistor?
  • Step 1: Identify the current (I) flowing through the resistor. In this case, I = 3 A.
  • Step 2: Identify the resistance (R) of the resistor. Here, R = 5 ohms.
  • Step 3: Use Ohm's law formula, which is V = I * R, to find the voltage (V).
  • Step 4: Substitute the values into the formula: V = 3 A * 5 ohms.
  • Step 5: Calculate the result: V = 15 V.
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