Ion Mobility MCQ Quiz

Froggy Jumps

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Test your understanding of electric fields and mobility.

Leonnicheryl

Malaysia

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Ion Mobility MCQ Quiz


Froggy Jumps Ion Mobility MCQ QuizVersion en ligne Test your understanding of electric fields and mobility. par Leonnicheryl 1 Why is mobility defined per unit electric field? a To fix the current b To set E to 1 c To simplify calculation 2 If mobility increases, what happens to ion velocity at constant E? a Velocity decreases b Remains unchanged c Velocity increases 3 In this context, the actual value of the electric field is always? a Variable b 1 c 0 4 Does the electric field affect the movement of ions? a Yes, it causes motion b No, it does not affect c Only at high voltages 5 What is the reason to define mobility per unit field? a To set current to zero b To fix the current c To simplify calculation 6 If electric field doubles and mobility stays the same, ion velocity? a Doubles b Halves c Remains the same 7 Which formula best represents ion velocity? a v = E/μ b v = μ/E c v = μE 8 What happens to ion speed if the electric field increases with fixed mobility? a Speed stays the same b Speed increases c Speed decreases 9 If mobility decreases at fixed E, velocity will? a Increase b Remain constant c Decrease 10 Which statement is true about mobility? a Mobility equals current b Mobility is always 0 c Mobility is defined per unit field