WorksheetsResistivity
Total questions: 6
Worksheet time: 6mins
Name
Class
Date
1.
Which copper wire has the lowest resistance?
a)
1 metre of 1 mm diameter wire
b)
0.5 metre of 1 mm diameter wire
c)
0.5 metre of 0.5 mm diameter wire
d)
1 metere of 0.5 mm diameter wire
2.
What happens to a resistor when the temperature is increased?
a)
Increases
b)
decreases
c)
stay the same
d)
vary randomly
3.
The length of a certain conductor of resistance 100 is doubled and its cross-sectional area is halved. Its new resistance is
a)
100
b)
50
c)
200
d)
400
4.
Factor which does not affect the resistance
a)
Type of material
b)
Length of material
c)
Mass of the material
d)
Area of the material
5.
Graph shows that _____________
a)
Resistance is directly proportional to Area
b)
Resistance is inversely proportional to Area
c)
Resistance is a constant while Area changes.
d)
Area is a constant while resistance changes.
6.
which has the highest current flowing through it?
a)
R1
b)
R2
c)
R3
d)
All the same
100 %
