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What is the current through a 5 Ω resistor connected to a 15 V battery?

Practice Questions

Q1
What is the current through a 5 Ω resistor connected to a 15 V battery?
  1. 3 A
  2. 2 A
  3. 1 A
  4. 0.5 A

Questions & Step-by-Step Solutions

What is the current through a 5 Ω resistor connected to a 15 V battery?
  • Step 1: Identify the values given in the problem. We have a voltage (V) of 15 volts and a resistance (R) of 5 ohms.
  • Step 2: Recall Ohm's law, which states that current (I) is equal to voltage (V) divided by resistance (R). The formula is I = V / R.
  • Step 3: Substitute the values into the formula. Replace V with 15 volts and R with 5 ohms: I = 15 V / 5 Ω.
  • Step 4: Perform the division. Calculate 15 divided by 5, which equals 3.
  • Step 5: State the result. The current (I) through the resistor is 3 amperes (A).
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