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# Hamtarsan hicheel 2tsag

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### Hamtarsan hicheel 2tsag

1. 1. SERIES CIRCUITSthe PARALLEL CIRCUITS Цуваа ба зэрэгцээ холболт Л. Бямбацэцэг Англи хэлний багш Энхтуяа М. Даваасүрэн
2. 2. types of circuitThere are two types of electrical circuits; SERIES CIRCUITS PARALLEL CIRCUITS
3. 3. SERIES CIRCUITSThe components are connected end-to-end, oneafter the other.They make a simple loop for the current to flowround.If one bulb ‘blows’ it breaks the whole circuit andall the bulbs go out.
4. 4. PARALLEL CIRCUITSThe components are connected side by side.The current has a choice of routes.If one bulb ‘blows’ there is still be a complete circuit tothe other bulb so it stays alight.
5. 5. measuring currentElectric current is measured in amps (A) usingan ammeter connected in series in the circuit. A
6. 6. measuring currentThis is how we draw an ammeter in a circuit.A A SERIES CIRCUIT PARALLEL CIRCUIT
7. 7. measuring currentSERIES CIRCUIT• current is the same 2A 2A at all points in the circuit. 2APARALLEL CIRCUIT 2A 2A• current is shared between the 1A components 1A
8. 8. copy the following circuits and fill in themissing ammeter readings. 4A ? 3A ? 3A 1A ? 4A ? 4A 1A 1A ?
9. 9. measuring voltageThe ‘electrical push’ which the cell gives to the currentis called the voltage. It is measured in volts (V) on avoltmeter V
10. 10. measuring voltageDifferent cells produce different voltages. Thebigger the voltage supplied by the cell, the bigger thecurrent.Unlike an ammeter a voltmeter is connected acrossthe componentsScientist usually use the term Potential Difference(pd) when they talk about voltage.
11. 11. measuring voltageThis is how we draw a voltmeter in a circuit. V V SERIES CIRCUIT PARALLEL CIRCUIT
12. 12. measuring voltage VV V V
13. 13. series circuit• voltage is shared between the components 3V 1.5V 1.5V
14. 14. parallel circuit• voltage is the same in all parts of the circuit. 3V 3V 3V
15. 15. measuring current & voltagecopy the following circuits on the next twoslides.complete the missing current and voltagereadings.remember the rules for current and voltagein series and parallel circuits.
16. 16. measuring current & voltage a) 6V 4A A V V A
17. 17. measuring current & voltage b) 6V 4A A V A V A
18. 18. answersa) b) 6V 6V 4A 4A 6V 4A 4A 3V 3V 2A 4A 6V 2A
19. 19. Анхааралтавьсанд баярлалаа