What is the total current in a circuit with a 10Ω resistor and a 5Ω resistor in

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Question: What is the total current in a circuit with a 10Ω resistor and a 5Ω resistor in series connected to a 30V battery? (2021)

Options:

Correct Answer: 3A

Exam Year: 2021

Solution:

Total resistance R = 10Ω + 5Ω = 15Ω. Current I = V/R = 30V/15Ω = 2A.

What is the total current in a circuit with a 10Ω resistor and a 5Ω resistor in series connected to a 30V battery? (2021)

What is the total current in a circuit with a 10Ω resistor and a 5Ω resistor in series connected to a 30V battery? (2021)

Step 1: Identify the resistors in the circuit. We have a 10Ω resistor and a 5Ω resistor.
Step 2: Since the resistors are in series, add their resistances together. Calculate total resistance: 10Ω + 5Ω = 15Ω.
Step 3: Identify the voltage of the battery. The battery provides 30V.
Step 4: Use Ohm's Law to find the current. Ohm's Law states that Current (I) = Voltage (V) / Resistance (R).
Step 5: Substitute the values into the formula: I = 30V / 15Ω.
Step 6: Calculate the current: 30V divided by 15Ω equals 2A.

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