TS EAMCET · Physics · Ray Optics
A coil of resistance is connected across a battery. If the current in the coil is found to be after the time battery is connected, then the inductance of the coil is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
The values are given, R=50 Ω, ε=5 V, i=50×10-3 A and t=0.1 s, the equation of, i=i01-e-t×RL⇒50×10-3=i01-e-0.1×50L Now use the relation between current and voltage, i0=εR=550, it means,…
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