People's Education Edition Physics for Grade 8, Volume 2
People's Education Edition Ninth Grade Physics Complete Book
Shanghai Science Edition Ninth Grade Physics
People's Education Edition Physics for Grade 8, Volume 1
Shanghai Science Edition 8th Grade Physics
Beijing Normal University eighth grade physics volume one
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University Ninth Grade Physics Volume 1
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Ke Edition High School Physics Compulsory Course One
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
People's Education Press High School Physics Compulsory Course II
Guangdong and Shanghai version of eighth grade physics volume 2
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Guangdong and Shanghai Edition Ninth Grade Physics Volume 2
!["Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 5](https://resources2020.oss-cn-beijing.aliyuncs.com/resources2020/e41f92c0e3bbe7a4a3a3e4f18501ac4a.jpg)
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Shanghai Science Edition Ninth Grade Physics | pptx | 6 MB |
Description
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 5
Do you remember the experiment you did in the last class?
The ammeter is connected at different locations in this simple circuit. What is the relationship between the two ammeter readings?
When electrical appliances are connected in series or parallel, what is the relationship between the current flowing through each electrical appliance?
Experimental exploration
Study 1: Current laws of series circuits
Guess: What might be the relationship between the currents flowing through points A, B, and C?
Experimental steps
1. Design experimental circuit;
2. Connect the circuit according to the circuit diagram;
3. Make measurements and record the measurement data in tables;
4. Replace two other small light bulbs with different specifications and experiment again.
Experiment 2: Current law of parallel circuits
Guess: What might be the relationship between the currents flowing through points A, B, and C?
Experimental steps:
1. Design experimental circuit;
2. Connect the circuit according to the circuit diagram;
3. Make measurements and record the measurement data in tables;
4. Replace two other small light bulbs with different specifications and experiment again.
practice
1. As shown in the figure, Xiaoyang used an ammeter to explore the current relationship in the series circuit. He used an ammeter to measure the currents at A, B, and C in the circuit. He found that IA = 0.2 A, then IB = _______, IC = _______.
2. There are two light bulbs L1 and L2 connected in series in the circuit. After closing the switch, it is found that L1 is very bright and L2 is very dark, then ( )
A. The current in L1 is larger
B. The current in L2 is larger
The currents in C, L1 and L2 are the same
D. Since the brightness of the lamps is different, the magnitude of the current cannot be compared.
3. There are two electrical appliances in a circuit. When measuring with an ammeter, if it is found that the current passing through each electrical appliance is different, then the connection between the two electrical appliances must be _____;
If the current through each consumer is found to be the same, then the connection between the two consumers is _______________.
Keywords: Understanding circuit teaching courseware, scientific exploration of current teaching courseware in series and parallel circuits, Shanghai Science Edition ninth grade physics PPT courseware download, ninth grade physics slide courseware download, understanding circuit PPT courseware download, scientific exploration of series and parallel connections Download the current PPT courseware of circuits in .PPT format;
For more information about the PPT courseware "Understanding Electric Circuits Scientific Exploration of Currents in Series and Parallel Circuits", please click the "Understanding Electrical Circuits Scientific Exploration of Currents in Series and Parallel Circuits" ppt tag.
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 4:
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 4 Water flowing through a water turbine can make the water turbine rotate. Current passing through a filament can make a light bulb shine. What does the brightness and darkness of the lights in the two circuits mean? 1. The strength of the current. Do you think the electric machine...
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 3:
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 3 1. Assemble the circuit. Five points should be paid attention to when conducting experiments: ① The switch should _______ when connecting the circuit. ②The ammeter should be _______ in the circuit under test. ③Start from the positive pole (or negative pole) of the power supply..
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 2:
"Scientific Exploration: Current in Series and Parallel Circuits" Understanding Circuits PPT Courseware 2 1. Current 1. Definition: In physics, the _______ (amount of charge) passing through any cross-section of a conductor per second is called _______ Make current. Represented by the letters _______. 2. Single..
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Update Time: 2024-09-08
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