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What is the voltage across a 10Ω resistor carrying a current of 3A? (2022)

Practice Questions

Q1
What is the voltage across a 10Ω resistor carrying a current of 3A? (2022)
  1. 30V
  2. 20V
  3. 10V
  4. 15V

Questions & Step-by-Step Solutions

What is the voltage across a 10Ω resistor carrying a current of 3A? (2022)
  • Step 1: Identify the values given in the problem. We have a resistor with a resistance of 10 ohms (Ω) and a current of 3 amperes (A).
  • Step 2: Recall Ohm's law, which states that voltage (V) is equal to current (I) multiplied by resistance (R). The formula is V = I * R.
  • Step 3: Substitute the values into the formula. Here, I = 3A and R = 10Ω.
  • Step 4: Calculate the voltage. Multiply 3A by 10Ω to get 30V.
  • Step 5: Conclude that the voltage across the 10Ω resistor is 30 volts.
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