WorksheetsGRADE 9 SCIENCE CHAPTER 6 PG
Total questions: 15
Worksheet time: 12mins
what is this symbol for?
wire
switch (closed)
battery
switch (open)
what is this symbol for?
push button
switch (closed)
switch (open)
transistor
what is this symbol for?
wire
battery
transistor
resistor
As you continue to add lightbulbs in series, what happens?
The bulbs get brighter
The bulbs get dimmer
The bulbs remain the same brightness
The bulbs explode and shards of glass get everywhere
If one bulb goes out in a series circuit, the remaining bulbs...
also go out
get brighter
get dimmer
explode, leaving shards of glass everywhere
The difference in electrical potential energy between two places is called _________
resistance
friction
induction
voltage
The picture shows an electrical circuit. This circuit is a series circuit because:
It has 3 light bulbs.
The same current flows through all three light bulbs.
It uses a single battery.
The electrical current is divided between the three light bulbs.
A parallel circuit __________
has only one path for current to travel
has more than one path for current to travel
does not allow electricity to travel through it
has magnets that cause electric current
SI unit of voltage is ______
ampere
metre
ohm
volt
SI unit of resistance is _______
ampere
metre
ohm
volt
