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20
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What is the voltage of the alternating current in Spain?
230V
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monster
Reset all scores!
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×
star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 25 points!
Oops!
15
×
How do you call the current produced when electrons always move in the same direction inside an electric circuit?
direct current
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15
×
How do you call the difference in electrical energy between two points?
Voltage
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thief
Give points!
5
10
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25
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fairy
Take points!
5
10
15
20
25
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
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What is the opposition to the flow of the electric current?
Resistance
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eraser
Reset score!
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gold
Win 50 points!
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rocket
Go to first place!
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banana
Go to last place!
Oops!
15
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What happens if a circuit is open?
The energy of a power source can't reach the load devices, so the electric current can't flow
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10
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What is another word for voltage?
potential difference
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15
×
Can you formulate the Ohm's law?
The current going through a conductor between two points is directly proportional to the voltage and inversely proportional to the resistance
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15
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What happens in case a circuit is closed?
The energy of the power source reaches the load devices and the electricity flows
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25
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Can you draw a parallel circuit?
...
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15
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Which current is used by the devices plugged into an electricity network?
alternating current
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15
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What is electric current?
A flow of electrons from one atom to another
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15
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What is the unit of measurement of resistance?
Ohm
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5
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What is the unit of measurement of the current
A, or ampere
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