Which definition is correct and uses only quantities rather than units? A. Density is mass per unit volume B. potential differen
ce is energy per unit current C. Pressure is force per unit area D. speed is distance travelled per second
2 answers:
I think it is D, let me know if I'm wrong.
Answer:
Option (A), (C) and (D)
Explanation:
Density is defined as the ratio of mass of substance to the volume of substance.
Potential difference is equal to the product of current and the resistance.
Pressure is defined as the thrust acting per unit area.
Speed is defined as the distance traveled in one second.
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Answer:
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It depends on what the model looks like, we cant solve it when th model is not present
Resistance= Potential Difference/Current
10 Ohm= PD/ 5A
PD= 10 Ohm × 5A
PD=50
Therefore, Potential Difference is B. 50 V
Charge is measured in coulombs.
