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A student records the following readings for a resistor: • When , • When , The…
PHYSICS · Single correct · GCSE · Physics · Electricity · Electricity
Problem
A student records the following readings for a resistor: • When
V
=
3
V
V = 3\,\text{V}
V
=
3
V
,
I
=
0.6
A
I = 0.6\,\text{A}
I
=
0.6
A
• When
V
=
6
V
V = 6\,\text{V}
V
=
6
V
,
I
=
1.2
A
I = 1.2\,\text{A}
I
=
1.2
A
The resistance of the resistor is (a)
10
Ω
10\,\Omega
10
Ω
(b)
2.5
Ω
2.5\,\Omega
2.5
Ω
(c)
5
Ω
5\,\Omega
5
Ω
(d)
7.5
Ω
7.5\,\Omega
7.5
Ω
Related theory
Ohm's Law
Ohm's Law (Macroscopic)
Electric Circuits
Ohm's law and V-I graphs
Electricity
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