Some materials do not allow electricity to pass through them. These materials are known as…
Voltage
Insulators
Electrons
Conductors
What do we need to connect our circuit?
Anything
Spaghetti
Strings
Wires
What is the symbol for electric current?
I
C
V
R
The number of electrons that pass through a specific point in one second is called…
Carrot
Current
Resistance
Voltage
A torch lamp takes a current of 0.3 A from a 3 V battery. Calculate its resistance.
1 Ω
0,1 Ω
0,9 Ω
10 Ω
How do like charges behave?
They have no effect on each other
They explode
They repel one another
They attract one another
Which equation correctly links voltage V, current I and resistance R?
V = I x R
V = I / R
V = R / I
V = R + I
Some materials let electricity pass through them easily. These materials are known as…
Circuits
Vegetables
Conductors
Insulators
What is the charge of an electron?
Negative
Positive
Hyper
Neutral
What unit is Current measured in?
Volt
CC's
Ohm
Amp
The elements that join all the components of a circuit and allow the flow of the current are called…
Conductors
Receptors
Push buttons
Generators
… transform the electrical energy that they receive into another type of useful energy.
Vegetables
Generators
Protection components
Receptors
The difference between the electrical energy at two points in a circuit is called…
Current
Resistance
Potato
Voltage
What is the overall electric charge of an atom?
Positive
Angry
Negative
Neutral
A current of 0.5 A flows through a 22 Ω resistor. What is the value of the voltage across it?
11 V
0.23 V
7 V
44 V
The opposition of the components in a circuit to the flow of the electric current is called…
Voltage
Conductors
Resistance
Insulators
What current flows in a 100 Ω resistor if 5 V is connected across it?
500 A
5.0 A
20 A
0.05 A
Which control components are used for the doorbell in your house?
Receptors
Parallel circuits
Your feet
Push buttons
What unit is Resistance measured in?
Volt
OH!
Amp
Ohm
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?
Negatively charged
A free electron
Positively charged
It explodes
In a circuit, when the current divides into two or more paths, the circuit is a:
Series circuit
Parallel circuit
Twin circuit
Siamese circuit
What is the battery for?
To make sound
Making the bulb works but not the switch
Having Volts
To make the circuit work with electricity
What does the motor do?
It sounds
It produce renewable electricity
It explodes
It moves the axis
Some examples of control components are:
Apples, Oranges and Bananas
Fuses and thermal magnetic circuit breakers
Light bulbs, motors and bells
Switches, 3-way switches and push buttons
Complete the following sentence: An electric ________________ is a set of connected components through which electric current flow.
Proton
Circuit
Electron
Conductor
What are the components of the atoms?
Protons, electrons and atoms
Neutrals, key and bacteria
Bacon, lettuce and tomato
Neutrons, protons and electrons
What is the main component of a circuit?
Bulb
Wires
Battery
Switch
… produce the energy necessary for electrons to move.
Generators
Protection components
Wires
Receptors
What unit is Voltage measured in?
Ohm
Amp
Voltron
Volt
Which of the following materials is an insulator?
Glass
Copper
Mayonnaise
Silver