8.3 - Electromotive Force (EMF)
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Practice Questions
Test your understanding with targeted questions
What does EMF stand for?
💡 Hint: Think about what energizes a circuit.
Which unit is used to measure EMF?
💡 Hint: It's the same unit used for potential difference.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does EMF stand for?
💡 Hint: Recall what energizes electrical systems.
True or False: EMF is measured with current flowing.
💡 Hint: Think about the battery's current state.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A battery has an EMF of 9 V. If it supplies 500 joules of energy to move charge through a circuit, how much charge has it moved?
💡 Hint: Think about how energy and charge relate through EMF.
If a battery experiences an internal resistance that causes a drop of 1 V under load, what would be the effective EMF when a current of 2 A flows?
💡 Hint: Reflect on how internal resistance impacts output voltage.
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