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WorksheetsP2 Know It
Total questions: 20
Worksheet time: 10mins
What is this?
Cell
Switch
Bulb
Motor
What is this?
Resistor
LDR
Bulb
Switch
What is this?
Thermister
LDR
Variable Resistor
Fixed Resistor
What is this?
Thermister
LDR
Variable Resistor
Fixed Resistor
What is this?
LED
LDR
Diode
Bulb
What is this?
Resistor
LED
LDR
Battery
What is potential difference?
The flow of electric charge
The energy of electrons flowing around a circuit
Anything in a circuit that reduces current
The rate of energy transfer
What is the unit for potential difference?
V
A
R
I
What is current?
The flow of electric charge
The energy of electrons flowing around a circuit
Anything in a circuit that reduces current
The rate of energy transfer
What is the unit for current?
V
A
R
I
What is resistance?
The flow of electric charge
The energy of electrons flowing around a circuit
Anything in a circuit that reduces current
The rate of energy transfer
What is the unit of resistance?
V
R
I
Ω
What is the term for a circuit with only one complete loop?
series circuit
simple circuit
parallel circuit
Which of these is Ohm's Law?
P = E/t
P = I x V
V = I x R
V = I² x R
How should a voltmeter be plugged in to a circuit?
In series with the component you want to read
In series with the battery
In parallel to the component you want to read
Wherever you like
In Ohm's Law, what is I?
Potential Difference
Current
Power
Intensity
The as a component gets hotter...
resistance increases
resistance decreases
current flows faster
direction of current might switch directions
What component does this V-I graph represent?
Filament Bulb
Flux Capacitor
Diode
Variable Resistor
What can this component be described as?
An Ohmic conductor
A non-Ohmic conductor
How does current behave in a series circuit?
Current is the same at each component
Current does not flow in a series circuit
Current is shared across the number of components
