"Laws of Voltage in Series and Parallel Circuits" Voltage Resistance PPT Download

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"Laws of Voltage in Series and Parallel Circuits" Voltage Resistance PPT Download

Part One: Learning Objectives

1. Through experimental exploration, summarize the voltage patterns in series and parallel circuits.

2. Be able to use the voltage patterns in series and parallel circuits to analyze related problems.

Voltage rules in series and parallel circuits PPT, part 2 content: 1. Voltage rules in series circuits

Experimentation and inquiry

1. Adjust the voltmeter pointer to zero and check the equipment;

2. Connect the circuit according to the circuit diagram. Turn off the switch and check the circuit;

3. Use a voltmeter to measure the voltage at both ends of lamp L1, record it as U1;

4. Use a voltmeter to measure the voltage across the lamp L2 and record it as U2. Measure the total voltage across the lamps L1 and L2 as U and record it in the table;

5. Replace the bulb and repeat steps 3 and 4;

conduct experiment

①Measure the voltage across the lamp L1

②Measure the voltage across the lamp L2

③Measure the voltage at both ends of the series circuit

④Measure the voltage at both ends of the power supply

Voltage rules in series and parallel circuits PPT, part 3 content: 2. Voltage rules in parallel circuits

Observe and think

1. What is the relationship between the voltage across each branch and the voltage across the power supply?

2. Is it the same as the current relationship in a parallel circuit?

3. Is it the same as the voltage relationship in a series circuit?

Experimental steps

1. Adjust the voltmeter pointer to zero and check the equipment;

2. Connect the circuit according to the circuit diagram. Turn off the switch and check the circuit;

3. Use a voltmeter to measure the voltage at both ends of lamp L1, record it as U1;

4. Use a voltmeter to measure the voltage across the lamp L2 and record it as U2. Measure the total voltage across the lamps L1 and L2 as U and record it in the table;

5. Replace the bulb and repeat steps 3 and 4;

conduct experiment

①Measure the voltage across the lamp L1

②Measure the voltage across the lamp L2

③Measure the voltage at both ends of the power supply

PPT on the rules of voltage in series and parallel circuits, part 4: in-class training

1. As shown in the figure, when "Studying the Law of Voltage in Series Circuits", Xiaoyu used a voltmeter to measure the voltages at ab, bc, and ac as Uab=3V, Ubc=3V, and Uac=6 V respectively. After recording data in the table, the next step is ()

A. Organize equipment, analyze data, and draw conclusions

B. Swap the positions of L1 and L2, and then measure a set of voltage values.

C. Change the power supply voltage and measure several sets of voltage values.

D. Use small light bulbs of different specifications, and then measure several sets of voltage values.

2. In the circuit as shown in the figure, when the switch S is closed, the voltmeter reads 6V; if the switch S is turned off, the voltmeter reads 4V, then the voltages at both ends of the lamps L1 and L2 are respectively for()

A.4 V, 2 V B.2 V, 4 V

C.6 V, 4 V D.6 V, 2 V

Keywords: Free download of PPT courseware for ninth-grade physics from the People's Education Press, PPT download of the law of voltage in series and parallel circuits, PPT download of voltage and resistance, .PPT format;

For more information about the PPT courseware "The Laws of Voltage in Series and Parallel Circuits of Voltage Resistors", please click the Laws of Voltage in Series and Parallel Circuits of Voltage Resistors ppt ppt tag.

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Update Time: 2024-10-02

This template belongs to Physics courseware People's Education Edition Ninth Grade Physics Complete Book industry PPT template

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