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The average time between electron collisions is called the:
ARefraction time
BRelaxation time
CRelative time
DReflection time
Answer & Solution
Correct answer: B. Relaxation time
1. Electrons are accelerated between collisions.
2. The average value of that time is known as the relaxation time.
3. So the correct answer is relaxation time.
_Source: NCERT Class 12 Physics Part I, Ch 3 'Current Electricity'_
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