4.1 - Ammeter Use
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Practice Questions
Test your understanding with targeted questions
What does an ammeter measure?
💡 Hint: Think about what is fundamental in electrical circuits.
How should an ammeter be connected in a circuit?
💡 Hint: Consider how we achieve total current measurement.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of an ammeter?
💡 Hint: Consider the name of the device itself.
An ammeter with high internal resistance will result in:
💡 Hint: Think about circuit design principles.
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Challenge Problems
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An ammeter connected in series reads 0.25 A in a circuit with 150 Ω load resistance and an internal resistance of 0.05 Ω. Calculate the true current in the circuit.
💡 Hint: Calculate voltage first using ammeter reading.
How can we determine the effect of an ammeter's internal resistance on its reading? Design an experimental setup to measure this.
💡 Hint: Maintain a controlled environment and use multiple load values.
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