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Questions and Answers
Which metal has the highest relative conductance compared to copper?
What is the conventional current flow direction?
Which of the following statements about electron flow is correct?
Among the following, which metal has the lowest relative conductance?
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Which property differentiates conventional current from electron flow?
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What does a potential difference of 1V signify in electrical terms?
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Which statement is true regarding electromotive force (emf)?
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In an electrical circuit, when electrons move due to a potential difference, what does this flow represent?
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How would increased resistance in a conductor affect the current flow, assuming potential difference remains constant?
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What analogy is used to illustrate the concept of potential difference in electrical terms?
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Study Notes
Electrical Terminology
- Electrical terms are explained using an analogy of water flow in tanks, with the water flow representing electrical current.
- Potential Difference is similar to the pressure difference created by different water levels in tanks.
- Potential Difference refers to the force that drives an electric current through a conductor.
- Potential Difference is measured in Volts (V).
- Electromotive Force (EMF) is the driving force that causes current to flow in a conductor.
- Current is the rate of flow of electrical charge, measured in Amperes (A).
- Resistance is the opposition to the flow of current in a conductor, measured in Ohms (Ω).
- Conductance is the ability of a material to conduct electricity, measured in Siemens (S).
- Conventional Current Flow is from positive to negative, representing the direction of positive charge movement, even though electron flow is actually from negative to positive.
- Electron Flow is the actual movement of electrons from negative to positive.
- Silver has the highest relative conductance among common metals, followed by Copper.
- Mild Steel and Lead have significantly lower relative conductance compared to Silver and Copper.
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Description
Test your understanding of key electrical terms and concepts. This quiz covers fundamental principles such as potential difference, current, resistance, and conductance, using relatable analogies to water flow. Perfect for students and enthusiasts looking to enhance their knowledge of electrical terminology.
