WorksheetsCircuit Components and IV Characteristics
Total questions: 25
Worksheet time: 22mins
What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
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What is this the symbol for?
(a)
The graph shows the change in current with potential difference for
an LED
a filament lamp
a diode
a thermistor
To calculate the resistance of the component at a particular potential difference you
read the current at that point on the graph and calculate p.d divided by current
draw a tangent to the line at that point and calculate the gradient
draw a tangent to the line at that point and calculate 1/gradient
read the current at that point on the graph and calculate current/p.d
The resistance of the component
is always constant as the p.d. increases
starts high and then decreases as the p.d. increases
starts constant for low values of p.d. and then increases as the p.d. increases
starts constant for low values of p.d. and then decreases as the p.d. increases
Which component has the highest resistance?
1
2
The components 1 and 2 which produced this IV graph are:
Resistors
Filament lamps
Diodes
A combination of the above
Where would you place an ammeter in the circuit?
Green ?
Red ?
Where would you place a voltmeter in the circuit?
Green ?
Red ?
What is the unit of measurement for resistance?
Voltage
Ampere
Watts
Ohms
which component produces an IV graph like this?
resistor
diode
filament bulb
fuse
which component produces an IV graph like this?
resistor
diode
filament bulb
fuse
