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WorksheetsRAE 2 - Voltage, Current and Resistors
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
The nucleus of an atom is made up of what?
a)
Electrons and protons
b)
Protons and neutrons
c)
Neutrons and electrons
d)
Nuclei and ions
2.
What is an ion?
a)
An atom with a different number of protons and electrons
b)
An atom with a nucleus
c)
An atom without protons
d)
An atom with 3 electrons
3.
What is electric current?
a)
The number of charged particles that pass a point each second
b)
The difference in potential
c)
The resistance
d)
Light Emitting Diode
4.
What is voltage?
a)
The difference in potential energy of the charged particles
b)
The number of charged particles that pass a point each second
c)
The flow of protons
d)
A type of dog from Central Asia
5.
If both sides of a light bulb are at the same voltage, what happens to the light bulb?
a)
It glows very brightly
b)
There is no light
c)
The brightness of the light will vary over time
d)
The bulb will explode
6.
If we have several light bulbs connected to a battery in parallel...
a)
The voltage will be the same across each bulb
b)
the current will be the same across each bulb
c)
The current will be the same through each bulb
d)
The resistance will be the same across each bulb
7.
The current passing through bulbs in series will be...
a)
...the same
b)
...different
8.
Ohm's law states that:
a)
V=IR
b)
V=I/R
c)
V=R/I
d)
V=I+R
9.
What is current measured in?
a)
Volts
b)
Amperes (Amps)
c)
Ohms
d)
Coulombs
10.
What is resistance measured in?
a)
volts
b)
Amperes (Amps)
c)
Ohms
d)
Coulombs
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