Which one is the formula of a different physical quantity where the symbols have their usual meanings?
a) VI
b) I×I
c) Vt/Q
d)V×V/R
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d. ) is the answer.
Himansusingh:
how
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Physical quantity:
We know, a measurable property of something must be observable without having to change the composition it possesses or identity of that object.
Examples of physical property include the following. Length, smell, colour, mass, temperature, solubility, conductivity and solubility.
The following are subsets of physical properties.
Mechanical properties
Electrical properties
Thermal properties
Optical properties
"Vl = volume×length"
"l×l= Length×Length"
"Vt" /Q "= " "volume×time" /"energy"
"V×" V/R "= Cannot measured"
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