Voltage Current and Resistance | Summary and Q&A

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May 19, 2018
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The Organic Chemistry Tutor
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Voltage Current and Resistance

TL;DR

This video explains the concepts of voltage, current, and resistance, their relationship, and how to calculate them.

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Questions & Answers

Q: What is voltage?

Voltage is the electric potential energy difference per unit charge and is measured in volts. It determines the energy carried by each unit of charge.

Q: How is current described?

Current represents the flow of electrons and is measured in amps. It tells us the rate at which electrons are flowing.

Q: What is resistance?

Resistance is provided by resistors and resists the flow of current. It is measured in ohms. Longer and thinner wires have higher resistance.

Q: How are voltage, current, and resistance related?

Voltage is directly related to current, meaning increasing voltage increases current. Resistance is inversely related to current, meaning increasing resistance reduces current flow.

Summary & Key Takeaways

  • Voltage is the electric potential energy difference per unit charge and is measured in volts.

  • Current represents the flow of electrons and is measured in amps.

  • Resistance is provided by resistors and resists the flow of current. It is measured in ohms.

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