IV characteristics
Physics
10th Grade
Used 200+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph shows the change in current with potential difference for
an LED
a filament lamp
a diode
a thermistor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component has the highest resistance?
1
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The components 1 and 2 which produced this IV graph are:
Resistors
Filament lamps
Diodes
A combination of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where would you place an ammeter in the circuit?
Green ?
Red ?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where would you place a voltmeter in the circuit?
Green ?
Red ?
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