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Electronics/Lr circuit

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Question
Can you plz tell me ,if there any difference b/w these two,if yes ,what?
Derive the relation for the charging current in an LR circuit ,i.e I(t)=E/R(1-E)^-t/Tau(L)
and
Derive the relation for the time dependence for charging current in an LR circuit?

Answer
Here below is a link which explains in basic idea for series L/R circuit.  

http://www.electronics-tutorials.ws/inductor/lr-circuits.html

Then let me know if you have more questions.

Hope this answers your question and helps you figure it out.  

Electronics

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Expertise

Electronics questions about AC, DC and digital theory.

Experience

Graduate electrical engineer with over 40 years in electronic design, manufacturing, project organization and patent review. Experience in fields of industrial and consumer electronics (audio, video, acoustics, etc.)

Organizations
IEEE (Institute of Electrical and Electronics Engineers); Senior Life member AES (Audio Engineering Society), Fellow Life member

Education/Credentials
BSEE University of North Dakota

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