In a circuit with a 24V battery and two resistors of 8 ohms and 4 ohms in series

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Question: In a circuit with a 24V battery and two resistors of 8 ohms and 4 ohms in series, what is the current flowing through the circuit?

Options:

Correct Answer: 2 A

Solution:

Total resistance R_total = 8 + 4 = 12 ohms. Current I = V/R_total = 24V / 12Ω = 2 A.

In a circuit with a 24V battery and two resistors of 8 ohms and 4 ohms in series, what is the current flowing through the circuit?

In a circuit with a 24V battery and two resistors of 8 ohms and 4 ohms in series, what is the current flowing through the circuit?

Correct Answer: 2 A

Step 1: Identify the voltage of the battery, which is 24V.
Step 2: Identify the resistors in the circuit, which are 8 ohms and 4 ohms.
Step 3: Calculate the total resistance by adding the two resistors together: 8 ohms + 4 ohms = 12 ohms.
Step 4: Use Ohm's Law to find the current. Ohm's Law states that current (I) equals voltage (V) divided by resistance (R).
Step 5: Substitute the values into the formula: I = 24V / 12 ohms.
Step 6: Calculate the current: 24V / 12 ohms = 2 A.

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, and the same current flows through all components.