WorksheetsQ13-Q18
Total questions: 15
Worksheet time: 8mins
What unit do we use to measure how much electricity is flowing through a circuit?
Volt (V)
Ampere (A)
Ohm (Ω)
Watt (W)
What kind of circuits are used to wire up our houses?
Series circuits
Parallel circuits
Both series and parallel circuits
Neither series nor parallel circuits
What is the main advantage of parallel circuits in homes?
They use less wiring
They allow components to continue working if one fails
They make the lights dimmer
They are easier to build
What is the abbreviation for volt?
V
A
Ω
W
What is the main advantage of series circuits?
They use less wiring
They allow components to work independently
They are brighter
They are more expensive
What happens to the current if you increase the voltage across a circuit?
The current decreases.
The current stays the same.
The current increases.
The circuit stops working.
What is a parallel circuit?
A circuit with components in a single line.
A circuit with components on different branches.
A circuit with no components.
A circuit with only one lamp.
What is the result of decreasing resistance in a circuit?
The current decreases.
The current increases.
The voltage decreases.
The circuit stops.
What happens to the current if you increase the resistance in a circuit?
The current increases.
The current decreases.
The voltage increases.
The circuit becomes brighter.
What happens to the current if you add more bulbs in a series circuit?
The current increases
The current decreases
The current stays the same
The current stops
In a parallel circuit, what happens to the total resistance as more components are added?
It increases
It decreases
It stays the same
It doubles
In a parallel circuit, how does the current through the cell compare to the current through each lamp?
The current through the cell is less.
The current through the cell is more.
The current is the same.
The current alternates.
What happens to the brightness of each bulb when more identical lamps are added in parallel?
The brightness increases.
The brightness decreases.
The brightness stays the same.
The brightness flickers.
What is the relationship between resistance and current in a parallel circuit?
Greater resistance means more current.
Greater resistance means less current.
Greater resistance means the same current.
Greater resistance means no current.
What happens to the total current when more branches are added in a parallel circuit?
The total current decreases.
The total current increases.
The total current stays the same.
The total current stops.
