https://file.aiquickdraw.com/mathbot/file/1726145991297xhcwuto3.jpg

In the first part of the image, the question asks to measure the voltage \( U_1 \) across lamp 1. The selected answer is 3.6 V, which is option A. It seems to be correct as it likely corresponds to the voltage drop measured across the lamp.

For the second part of the image, the question asks to choose the correct circuit diagram for measuring the voltage across the lamp. The selected answer is option 1. In the diagram shown, option 1 represents a voltmeter connected in parallel with the lamp, which is the correct method to measure voltage across a component.

Would you like further clarification or details on any part of this, or on how voltage measurements work?

Here are five relative questions that expand on this:

1. How does connecting a voltmeter in parallel ensure an accurate voltage measurement?
2. What could cause differences in voltage readings between different lamps in a circuit?
3. How does internal resistance in a voltmeter affect measurements?
4. What is the role of total circuit resistance in determining the voltage across individual components?
5. How can the configuration of lamps (series or parallel) affect the voltage across each lamp?

**Tip:** Always connect the voltmeter in parallel with the component whose voltage you wish to measure to avoid altering the current in the circuit.

Дослід 4. Вимірюємо напругу U_1 на лампі 1. U_1=? Виберіть правильну схему для вимірювання напруги U_1 на лампі.

Learn how to measure voltage U1 across a lamp in an electric circuit using a voltmeter. Understand how voltage is distributed and measured in different setups. Suitable for students in Grades 8-10.

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