In a circuit with a 24V battery and two resistors of 8Ω and 16Ω in series, what

Practice Questions

Q1
In a circuit with a 24V battery and two resistors of 8Ω and 16Ω in series, what is the voltage across the 16Ω resistor?
  1. 8V
  2. 12V
  3. 16V
  4. 24V

Questions & Step-by-Step Solutions

In a circuit with a 24V battery and two resistors of 8Ω and 16Ω in series, what is the voltage across the 16Ω resistor?
  • Step 1: Identify the total voltage in the circuit, which is given as 24V from the battery.
  • Step 2: Identify the resistors in the circuit. We have R1 = 8Ω and R2 = 16Ω.
  • Step 3: Calculate the total resistance in the circuit by adding the two resistors together: Total Resistance = R1 + R2 = 8Ω + 16Ω = 24Ω.
  • Step 4: Use the formula to find the voltage across the 16Ω resistor (R2). The formula is: Voltage across R2 = (R2 / Total Resistance) * Total Voltage.
  • Step 5: Substitute the values into the formula: Voltage across R2 = (16Ω / 24Ω) * 24V.
  • Step 6: Simplify the calculation: Voltage across R2 = (16 / 24) * 24 = 16V.
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