Question #74752
In the RL circuit , can the self-induced emf ever be greater than the emf supplied by the battery?
Expert's answer
Yes. The self-induced emf is
E_L=-L dI/dt.
It doesn’t depend on the battery voltage. If current is made to change rapidly, the self-induced emf can be greater than the emf supplied by the battery
E_L=-L dI/dt.
It doesn’t depend on the battery voltage. If current is made to change rapidly, the self-induced emf can be greater than the emf supplied by the battery
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#340153 on Dec 2023
#340153 on Dec 2023
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