Podcast
Questions and Answers
Which of the following is the SI unit of electric current?
Which of the following is the SI unit of electric current?
What is the relationship between voltage, current, and resistance in an electrical circuit?
What is the relationship between voltage, current, and resistance in an electrical circuit?
What will happen to the resistance in a wire if its length is doubled, keeping the cross-sectional area constant?
What will happen to the resistance in a wire if its length is doubled, keeping the cross-sectional area constant?
Study Notes
Electric Current and Circuit Basics
- The SI unit of electric current is the Ampere (A).
Ohm's Law
- Voltage, current, and resistance in an electrical circuit are related by Ohm's Law: V = I × R, where V is voltage, I is current, and R is resistance.
Resistance and Wire Properties
- If the length of a wire is doubled, keeping the cross-sectional area constant, the resistance will also double.
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Description
Test your knowledge of electric current, voltage, resistance, and their relationships in electrical circuits. Explore questions about SI unit of electric current and the effects of changing wire length on resistance.
