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
Beijing Normal University eighth grade physics volume one
Shanghai Science Edition 8th Grade Physics
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University Ninth Grade Physics Volume 1
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Ke Edition High School Physics Compulsory Course One
People's Education Press High School Physics Compulsory Course II
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Guangdong and Shanghai version of eighth grade physics volume 2
Lu Jiao edition eighth grade physics volume 1
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Category | Format | Size |
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Shanghai Science Edition Ninth Grade Physics | pptx | 6 MB |
Description
"Series and Parallel Connections of Resistors" Exploring Circuit PPT Courseware
1. Explore the series connection of resistors
Ask the question: Is the total resistance of two resistors connected in series larger or smaller than the individual resistors in the series?
Conjecture and hypothesis: After several resistors are connected in series, it is equivalent to increasing _________, and the total resistance should be _________ than the resistance.
Methods: voltammetry, ________.
Conclusion: ________, expression: _________.
2. Explore the parallel connection of resistors
Ask the question: Is the total resistance of two resistors connected in parallel larger or smaller than the individual resistors in the parallel connection?
Conjecture and hypothesis: When several resistors are connected in parallel, it is equivalent to increasing _________, and the total resistance should be _________ than the resistance.
Methods: voltammetry, ________.
Conclusion: ____________________, expression: _________
Knowledge point 1: Resistance of series circuit
1. There are two resistors with resistance values 30 Ω and 10 Ω respectively. If they are connected in series, the total resistance is ()
A.40 Ω B.30 Ω
C.20 Ω D.7.5 Ω
2. Connect two resistors R1 and R2 with different resistances in series, then the total resistance ()
A. Between two resistors
B. Smaller than any resistor
C. Larger than any resistor
D. May be equal to one of the resistors
3. There are two resistors, R1=4 Ω and R2=6 Ω. If they are connected in series in the circuit, the currents passing through them are I1 and I2 respectively, and the voltages at both ends are U1 and U2 respectively, then I1∶I2= _____,U1∶U2=_____.
Knowledge point 2: Resistance of parallel circuit
4. In the circuit shown in the figure, the voltage U remains unchanged and after the switch S is closed, which of the following statements is correct ()
A. The ammeter reading increases
B. The reading of the ammeter decreases
C. The reading of the voltmeter increases
D. The reading of the voltmeter decreases
5. Connect the resistors R1=3 Ω and R2=6 Ω to the same circuit. Regarding their total resistance (equivalent resistance) value, among the following four options, the impossible one is ()
A.9 Ω B.2 Ω
C.9 Ω or 2 Ω D.3 Ω
Keywords: Exploring Circuit Teaching Courseware, Series and Parallel Connection of Resistors Teaching Courseware, Shanghai Science Edition Ninth Grade Physics PPT Courseware Download, Ninth Grade Physics Slide Courseware Download, Exploring Circuit PPT Courseware Download, Resistor Series and Parallel PPT Courseware Download ,.PPT format;
For more information about the PPT courseware "Exploring Series and Parallel Connections of Resistors in Circuits", please click on the "Exploring Series and Parallel Connections of Resistors in Circuits" ppt tag.
"Series and Parallel Connections of Resistors" Exploring Circuit PPT Courseware 3:
"Series and Parallel Connections of Resistors" Exploring Circuit PPT Courseware 3 Review: Ohm's Law: 1. Content: The current in a conductor is directly proportional to the voltage at both ends of the conductor, and inversely proportional to the resistance of the conductor. 2. Expression: I=U/R 3. Transformation formula: U=IR R=U/I 1. Series connection..
"Series and Parallel Connections of Resistors" Exploring Circuit PPT Courseware 2:
"Series and Parallel Connections of Resistors" Exploring Circuit PPT Courseware 2 Life and Physics If your Walkman stops ringing, after inspection you find that a 200 ohm resistor is burned out and needs to be replaced. But you only have a few 400 ohm and a few 100 ohm resistors at hand. Can you use them...
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Update Time: 2024-08-12
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