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Worksheetsgenphy2
Total questions: 15
Worksheet time: 8mins
What is a circuit?
A device that stores energy
A type of electrical component
An unbroken loop of conductive material
A broken loop of conductive material
In a series circuit, how is the current through each resistor?
It is the same through each resistor
It is zero
It varies through each resistor
It is double at the last resistor
What is the total resistance in a series circuit?
It is the average of individual resistances
It is equal to the sum of individual resistances
It is always zero
It is the product of individual resistances
What is a defining characteristic of a parallel circuit?
Only one path for current to flow
Current is the same through all components
All components are in series
Two or more paths for current to flow
What happens to voltage in a parallel circuit?
It is halved for each component
It is zero
It is different for each component
It is the same across each component
What is the function of a capacitor?
To store energy in the form of an electric charge
To act as a one-way switch for current
To limit the flow of electric current
To convert chemical energy into electrical energy
What does a diode do?
Allows current to flow in both directions
Acts as a one-way switch for current
Stores energy
Increases voltage
What is the purpose of a transformer?
To act as a switch
To measure electric current
To transfer electric energy between circuits
To store energy
What type of wave is a radio wave?
Electromagnetic wave with the shortest wavelength
Electromagnetic wave with the longest wavelength
Mechanical wave
Sound wave
What is the highest point of a wave called?
Amplitude
Crest
Trough
Wavelength
What is the function of a voltmeter?
To measure electric potential difference
To measure electric current
To control electric circuits
To store energy
What is the role of a fuse in an electrical circuit?
To measure current
To store energy
To interrupt the flow of electricity
To increase voltage
What is the main purpose of a power supply?
To convert electric current to the correct voltage
To store energy
To measure voltage
To act as a switch
What is the primary use of microwaves?
To transmit radio signals
To cook food
To measure electric current
To store energy
What is the main characteristic of a permanent magnet?
It only retains magnetism when near another magnet
It creates its own persistent magnetic field
It is made from soft metals
It requires electric current to function
