If a simple circuit with 400 ohms of resistance has 100 volts applied, its current flow is ___ amps.

To calculate the current in a circuit, you can use Ohm's Law, which states:

\[
I = \frac{V}{R}
\]

Where:
- \( I \) is the current (in amperes),
- \( V \) is the voltage (in volts),
- \( R \) is the resistance (in ohms).

Given:
- \( V = 100 \, \text{V} \),
- \( R = 400 \, \Omega \).

Substitute the values into the formula:

\[
I = \frac{100}{400} = 0.25 \, \text{A}.
\]

Thus, the current flow is **0.25 amps**.

Would you like more details or have any questions?

Here are five related questions to explore:
1. How does increasing the voltage affect the current in this circuit?
2. What would the current be if the resistance were doubled?
3. How would the current change if the voltage dropped to 50 volts?
4. What is the power consumed by this circuit?
5. How can you reduce the resistance in this circuit?

**Tip:** Always ensure all units (voltage, resistance, etc.) are consistent when using Ohm's Law to avoid errors.

Learn how to calculate the current flow in a simple circuit with 400 ohms of resistance and 100 volts applied using Ohm's Law. This detailed solution breaks down the formula I = V/R and provides a step-by-step guide for students in Grades 9-12.

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