About Direction of current in the inductor in RL circuits

  • Thread starter mazen_zone
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  • #1
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i'm a bit confused about the direction of current in the inductor in RL circuit, i thought in the charging stage at t(0-) the the voltage drop on it will be in the direction of the initial current, which means the discharging current at t(0+) will be in the opposite direction of the initial current (voltage rise direction) as in the case of the capacitors, but i find the oppoaite in the books.
so could anyone explain this please...
 

Answers and Replies

  • #2
dlgoff
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Welcome to PF mazen_zone.

Here's a wiki page that might help. http://en.wikipedia.org/wiki/RL_circuit#Time_domain_considerations"
...the inductor will only have a voltage across as long as the current in the circuit is changing — as the circuit reaches its steady-state, there is no further current change and ultimately no inductor voltage.
 
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  • #3
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thx alot...that really helped
 

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