In a circuit with a 10Ω resistor and a 5Ω resistor in series, what is the total

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Question: In a circuit with a 10Ω resistor and a 5Ω resistor in series, what is the total voltage across the circuit if the current is 2A? (2023)

Options:

Correct Answer: 20V

Exam Year: 2023

Solution:

Total resistance R = 10Ω + 5Ω = 15Ω. Voltage V = I * R = 2A * 15Ω = 30V.

In a circuit with a 10Ω resistor and a 5Ω resistor in series, what is the total voltage across the circuit if the current is 2A? (2023)

In a circuit with a 10Ω resistor and a 5Ω resistor in series, what is the total voltage across the circuit if the current is 2A? (2023)

Step 1: Identify the resistors in the circuit. We have a 10Ω resistor and a 5Ω resistor.
Step 2: Calculate the total resistance in the circuit by adding the resistances together: 10Ω + 5Ω = 15Ω.
Step 3: Identify the current flowing through the circuit, which is given as 2A.
Step 4: Use the formula for voltage, which is V = I * R, where I is the current and R is the total resistance.
Step 5: Substitute the values into the formula: V = 2A * 15Ω.
Step 6: Calculate the voltage: 2A * 15Ω = 30V.

Ohm's Law – The relationship between voltage (V), current (I), and resistance (R) in an electrical circuit, expressed as V = I * R.
Series Circuits – In a series circuit, the total resistance is the sum of individual resistances.