An inductance L and resistance R are connected in series with a battery as in Figure. A
Question:
An inductance L and resistance R are connected in series with a battery as in Figure. A long time after switch S1 is closed, the current is 2.5 A. When the battery is switched out of the circuit by opening switch S1 and closing S2, the current drops to 1.5 A in 45 ms.
(a) What is the time constant for this circuit?
(b) If R = 0.4 ?, what is L?
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QUATERNARY Pursuing M.Tech.(2017-2019) in Electronics and Communication Engg. (VLSI DESIGN) from
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TERTIARY B.Tech. (2012-2016) in Electronics and Communication Engg. from GLBITM Greater Noida
SECONDARY Senior Secondary School Examination (Class XII) in 2012 from R.S.S.Inter College, Noida
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