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Electricity 2nd of ESO
Game Code: 778402
English
30
Public
Electricity
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What is the charge of an electron?
Neutral
Hyper
Negative
Positive
15
An atom has a neutral charge, because it contains the same number of protons and electrons. If it loses an electron what does it become?
Positively charged
It explodes
A free electron
Negatively charged
15
Which of the following materials is an insulator?
Glass
Mayonnaise
Copper
Silver
15
What is the symbol for electric current?
I
R
C
V
15
Complete the following sentence: An electric ________________ is a set of connected components through which electric current flow.
Electron
Conductor
Proton
Circuit
15
Some materials let electricity pass through them easily. These materials are known as…
Vegetables
Insulators
Circuits
Conductors
15
Some materials do not allow electricity to pass through them. These materials are known as…
Insulators
Voltage
Conductors
Electrons
15
What unit is Current measured in?
CC's
Volt
Amp
Ohm
15
What unit is Resistance measured in?
Volt
OH!
Amp
Ohm
15
What unit is Voltage measured in?
Volt
Ohm
Amp
Voltron
15
What current flows in a 100 Ω resistor if 5 V is connected across it?
20 A
5.0 A
0.05 A
500 A
15
Which equation correctly links voltage V, current I and resistance R?
V = R / I
V = I / R
V = R + I
V = I x R
15
A current of 0.5 A flows through a 22 Ω resistor. What is the value of the voltage across it?
44 V
11 V
7 V
0.23 V
15
The opposition of the components in a circuit to the flow of the electric current is called…
Conductors
Resistance
Insulators
Voltage
15
The difference between the electrical energy at two points in a circuit is called…
Resistance
Current
Potato
Voltage
15
The number of electrons that pass through a specific point in one second is called…
Voltage
Resistance
Current
Carrot
15
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