People's Education Edition Physics for Grade 8, Volume 2
People's Education Edition Ninth Grade Physics Complete Book
People's Education Edition Physics for Grade 8, Volume 1
Shanghai Science Edition Ninth Grade Physics
Shanghai Science Edition 8th Grade Physics
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University eighth grade physics volume one
Lu Ke Edition High School Physics Compulsory Course One
Beijing Normal University Ninth Grade Physics Volume 1
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
People's Education Press High School Physics Compulsory Course II
Lu Jiao Edition Eighth Grade Physics Volume 2
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao edition eighth grade physics volume 1
Guangdong and Shanghai Edition Ninth Grade Physics Volume 2
Category | Format | Size |
---|---|---|
Shanghai Science Edition Ninth Grade Physics | pptx | 6 MB |
Description
"Measuring Voltage" Understanding Circuits PPT Courseware 3
1. Things to note during the experiment
1. When connecting the physical diagram, be sure to compare it with _______.
2. During the process of connecting the physical diagram, the switch must be in the _______ state.
3. In order to verify the universality of the research conclusion, _______ experiment can be conducted.
2. Voltage characteristics in series and parallel circuits
1. The voltage across a series circuit is equal to the _______ of the voltage across each part of the circuit.
2. The voltages at both ends of each parallel branch in a parallel circuit are ________.
Voltage characteristics in series and parallel circuits
1. The voltage at both ends of a series circuit is equal to the sum of the voltages at both ends of each part of the circuit. The series circuit has the characteristics of "voltage division". The voltages at both ends of each part of the circuit in a series circuit are not necessarily equal, but the total voltage at both ends of the circuit must be equal to the sum of the voltages at both ends of each part of the circuit.
2. In a parallel circuit, the voltages at both ends of each parallel branch are equal. However, two electrical appliances with equal voltages at both ends of the same circuit are not necessarily connected in parallel.
【example】
When doing the experiment of "exploring the voltage rules in series circuits", there were multiple light bulbs to choose from. Xiao Ming connected two light bulbs L1 and L2 in series and connected them to the power supply, as shown in the figure.
(1) When the voltmeter is connected to two points A and B, two points B and C and two points A and C in the figure, the data measured after closing the switch are: UAB=0, UBC=12 V, UAC =12 V, the fault may be ____.
(2) After troubleshooting, the experiment was carried out normally, and two sets of experimental data were obtained through measurement as shown in the table below:
Knowledge point 1: Voltage characteristics in series circuits
1. In the circuit as shown in the figure, when the switch S is closed, the reading on the voltmeter will be ()
A. remains unchanged B. increases
C. Decrease D. Unable to determine
2. As shown in the picture, it is a circuit diagram used by Xiao Ming to explore "Characteristics of Voltage in Series Circuits". The following statement is correct ()
A.UAB must be equal to UBC
B.UAB must not be equal to UBC
C.UAB must be larger than UBC
D.UAC must be equal to UAB plus UBC
Keywords: Understanding circuit teaching courseware, Measuring voltage teaching courseware, Shanghai Science Edition ninth grade complete physics PPT courseware download, Ninth grade physics slide courseware download, Understanding circuit PPT courseware download, Measuring voltage PPT courseware download, .PPT format;
For more information about the PPT courseware "Understanding Circuits and Measuring Voltage", please click the "Understanding Circuits and Measuring Voltage ppt" tag.
"How to Understand and Measure Voltage" Exploring Simple Circuit PPT Courseware 2:
"How to Recognize and Measure Voltage" Exploring Simple Circuit PPT Courseware 2 Voltage is the cause of the formation of current. Why does the small light bulb light up when the switch is closed (click the switch)? How is electric current formed? 1. Water flow: water height difference (water level difference, water pressure difference) water pressure...
"How to Understand and Measure Voltage" explores simple circuit PPT courseware:
"How to Recognize and Measure Voltage" Exploring Simple Circuit PPT Courseware Learning Objectives 1. Know what voltage is, know that a power supply is a device that provides voltage, and know the units of voltage: volts, kilovolts, and millivolts. 2. Know common power supplies and some voltage values. 3. Will be used..
"Measuring Voltage" Understanding Circuit PPT Courseware 5:
"Measuring Voltage" Understanding Circuits PPT Courseware 5 A colored light bulb requires a voltage of 22V when it glows normally. They are connected to a 220V household circuit. How should they be connected to make the circuit work safely? In a series circuit, the total voltage across the circuit is the same as the voltage across each part of the circuit..
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Update Time: 2024-10-19
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