Circuit diagrams：练习题

Which circuit component is represented in a circuit diagram by a rectangle with a diagonal arrow passing through it?

Identify the power source represented by the symbol in the diagram.

A student builds the circuit shown in the diagram. Which action will result in an increase in the potential difference measured by the voltmeter across the thermistor?

In a circuit diagram, what does the following symbol represent?

Which electronic component is represented by the symbol in the diagram?

Identify the circuit component represented by the symbol shown in the diagram.

Using the circuit diagram, explain why closing switch \(S_1\) while keeping switch \(S_2\) open results in only one lamp lighting up.

For the potential divider circuit shown, explain how the voltmeter reading is affected when the light intensity on the component labeled \(L\) increases.