Question
Question 9 2 pts What effect does resistance have on a circuit's current? Edit View Insert Format Tools Table 12 pt Paragraph \( B \quad \) U
Ask by Graham Patel. in the United States
Jan 21,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
Resistance reduces the current in a circuit by opposing the flow of electricity.
Solution
Resistance decreases the current in a circuit by opposing the flow of electric charge. According to Ohm's Law (V = IR), for a given voltage, an increase in resistance (R) results in a lower current (I).
**Key Point:**
- **Higher Resistance → Lower Current**
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Resistance acts like a speed bump for the flow of electric current in a circuit. The higher the resistance, the lesser the current, as described by Ohm's Law (V = IR), where V is voltage, I is current, and R is resistance. So, if you double the resistance while keeping voltage constant, the current gets halved! It's all about how much the electrons can wiggle through the materials. In the real world, we see this concept in action in devices like light dimmers. By increasing resistance, these dimmers decrease the current flowing through the light bulb, thus making the light dimmer. Isn’t it fascinating how something so simple can shine a light on how we control energy in our daily lives?
