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Biblioteka

Electric Circuits E-day

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Posljednje ažuriranje over 1 year ago
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Pitanje 1
1.

What is the unit of electric current?

Pitanje 2
2.

What is the total resistance in this circuit?

Pitanje 3
3.

What is the property of a material that opposes the flow of electric current called?

Pitanje 4
4.

What is the resistance of the light bulb?

Pitanje 5
5.

Ammeters are always connected in whereas voltmeters are always connected in in circuits.

Drugi mogući odgovor:
parallel
series
Pitanje 6
6.

The diagrams show four circuits.

Which circuit contains two bulbs connected in parallel with each other, and contains an ammeter that measures the total current in the two bulbs?

Pitanje 7
7.

What happens to the total resistance in a circuit if more resistors are connected in a series?

Pitanje 8
8.

What happens to the total resistance when a new resistor is added in parallel?

Pitanje 9
9.

Resistors in series are best described as dividers whereas resistors in parallel are dividers.

Drugi mogući odgovor:
power
voltage
energy
current
Pitanje 10
10.

Use this circuit to provide values for the following:

The voltmeter reading over the 12 Ω resistor = V.

The total resistance of the parallel network = Ω.

The current in the 12 Ω resistor = A.

Drugi mogući odgovor:
0,33
3,53
0,28
1,92
4,0
1,0