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Which of the following ratios equals the electrical resistance of a conductor kept at…
PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity
Problem
Which of the following ratios equals the electrical resistance
R
R
R
of a conductor kept at constant temperature? (a)
2
V
I
\dfrac{2V}{I}
I
2
V
(b)
V
2
2
P
\dfrac{V^{2}}{2P}
2
P
V
2
(c)
V
I
\dfrac{V}{I}
I
V
(d)
P
2
I
2
\dfrac{P}{2I^{2}}
2
I
2
P
Related theory
Ohm's Law
Ohm's Law (Macroscopic)
Ohm's law and V-I graphs
Electricity
Electric Circuits
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
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