Ашық сабақ "Ом заңы"

#1 слайд
Why does ammeter show current two times smaller in the second case?

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#2 слайд
Electrical Resistance

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#3 слайд
8.4.2.6 тізбек бөлігі үшін Ом заңын есептер шығаруда қолдану; You will apply Ohm’s law for part of electric circuit for problem solving. Мақсат

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#4 слайд
Resistance When electrons pass through a conductor, they collide with many atomic particles. The opposition of a conductor to the flow of electrons is called the resistance of the conductor.

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#5 слайд
Ohm’s law

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#6 слайд
Resistors Electrical components which provide resistance are called resistors. They are used to keep currents at certain levels in circuits. Resistors can have values ranging from a few ohms to several million ohms.

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#7 слайд
Electric circuit

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#8 слайд
To resist – кедергі жасау / сопротивляться Resistance – кедергі / сопротивление Tool – құрал-жабдық / инструмент Electric circuit – электр тізбегі /электрическая цепь Voltage- кернеу/ напряжение Current – ток Conductor – өткізгіш / проводник

8 слайд

#9 слайд
1.If 0.6 A current flows through a resistor shown in figure. Voltage of two points of resistor is 12 V. What is the resistance of the resistor? 2.If a circuit has a voltage of 500 V and a resistance of 250 Ω, what is the current? 3.In this circuit, there is a resistance of 40 Ω and a current of 0.15 A, what is the voltage? 4.Find the unknown resistance from the diagram

9 слайд