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The figure shows the variation of v with I at temperature T1 and T2. (T1 – T2) is proportional to :
- a)sec α
- b)sec 2α
- c)tan 2α
- d)
Correct answer is option 'D'. Can you explain this answer?
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The figure shows the variation ofvwithIat temperatureT1andT2. (T1&ndas...
The Relation between temperature and Resistance is,
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The figure shows the variation ofvwithIat temperatureT1andT2. (T1&ndas...
R = R0 + R0α(T1-T0)
tan3α = R0 + R0α(T1-T0)...............(1)
tan2α = R0 + R0α(T2-T0)...............(2)
tan3α - tan2α = R0α(T1-T2)
(T1-T2) α tan(3α) - tan(2α)
tan(3α-2α) = (tan3α - tan2α)/(1 + tan3αtan2α)
(T1 - T2) α tanα(1 + tan3αtan2α)
So, tanα is the right answer.
tan3α = R0 + R0α(T1-T0)...............(1)
tan2α = R0 + R0α(T2-T0)...............(2)
tan3α - tan2α = R0α(T1-T2)
(T1-T2) α tan(3α) - tan(2α)
tan(3α-2α) = (tan3α - tan2α)/(1 + tan3αtan2α)
(T1 - T2) α tanα(1 + tan3αtan2α)
So, tanα is the right answer.
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The figure shows the variation ofvwithIat temperatureT1andT2. (T1–T2) is proportional to :a)secαb)sec 2αc)tan 2αd)Correct answer is option 'D'. Can you explain this answer?
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