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Physics
Physics
Problem
Two wires P and Q are each connected across the same
15
V
15\,\text{V}
15
V
supply. The currents measured are
1
A
1\,\text{A}
1
A
in wire P and
3
A
3\,\text{A}
3
A
in wire Q. What is the ratio of the resistance of P to that of Q? a)
1
:
3
1:3
1
:
3
b)
2
:
1
2:1
2
:
1
c)
3
:
1
3:1
3
:
1
d)
1
:
1
1:1
1
:
1
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