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Questions and Answers
What is the formula for resistance in terms of resistivity, length, and cross-sectional area?
What is the formula for resistance in terms of resistivity, length, and cross-sectional area?
Which formula is used to calculate the electrical energy consumed over a period of time?
Which formula is used to calculate the electrical energy consumed over a period of time?
What is the unit of electric power consumed in a circuit?
What is the unit of electric power consumed in a circuit?
In the context of a circuit, what does the term 'back emf' refer to?
In the context of a circuit, what does the term 'back emf' refer to?
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What is the formula for calculating current in a circuit with an internal resistance?
What is the formula for calculating current in a circuit with an internal resistance?
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In a series combination of n cells with unequal emf, what is the total emf equivalent to?
In a series combination of n cells with unequal emf, what is the total emf equivalent to?
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Which law relates the magnetic field around a current-carrying wire?
Which law relates the magnetic field around a current-carrying wire?
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What does the dielectric constant measure in a material?
What does the dielectric constant measure in a material?
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How is capacitance defined in terms of charge and potential difference?
How is capacitance defined in terms of charge and potential difference?
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What is the relationship between conductors and insulators in terms of electron mobility?
What is the relationship between conductors and insulators in terms of electron mobility?
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