| Category | Format | Size |
|---|---|---|
| Zhejiang Education Edition Eighth Grade Science Volume 1 | pptx | 6 MB |
"Measurement of Current" PPT
Description
"Measurement of Current" PPT
Part One: Teaching Objectives
1. Understand the basic concept of electric current.
2. Know the current values of some household appliances.
3. Practice and master the current measurement methods and procedures.
4. Able to read ammeter according to standard methods.
5. Able to correctly connect the ammeter to the circuit according to the circuit diagram.
Current measurement PPT, part 2: step-by-step learning
1. The formation and direction of current
1. The reason for the formation of current: directional movement of electric charges.
2. The direction of current is opposite to the direction of electron movement.
2. The size and unit of current
1. Current is represented by the letter I
2. Unit: Ampere, abbreviated as A (A)
3. The units also include milliampere (mA) and microampere (µA).
3. Measurement of current
1. Ammeter: An instrument for measuring current.
2. Connection of ammeter:
(1) The ammeter must be connected in series with the electrical appliance being measured.
(2) Current must flow in from the positive terminal and flow out from the negative terminal.
(3) The measuring range must be selected correctly.
(4) It is not allowed to connect the ammeter directly to the two poles of the power supply!
Current Measurement PPT, Part 3: Capacity Improvement
1. Connect the physical diagram. It is required that two lamps be connected in parallel. The switch controls the two lamps. The ammeter measures the current of lamp L2 (about 0.5 A) and draws the circuit diagram.
2. Connect the physical diagram according to the given circuit diagram.
Keywords: Zhejiang Education Edition eighth grade science PPT courseware free download, current measurement PPT download, .PPT format;
For more information about the "Measurement of Current" PPT courseware, please click on the "Measurement of Current" PPT tab.
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"Measurement of Current" Current and Circuit PPT Teaching Courseware:
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"Measurement of Current" Current and Circuit PPT Download:
"Measurement of Current" Current and Circuit PPT Download Part 1: Tutorials from famous teachers, key points and difficult points 1. Electric current is a physical quantity that represents the strength of the current, represented by the letter I. 2. The unit of electric current is ampere, or ampere for short, and its symbol is A. 3． An ammeter measures current...
File Info
Update Time: 2024-06-21
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