The Soft Iron Core in the Solenoid Shown Is Removable

question 41

Multiple Choice

The soft iron core in the solenoid shown is removable.Then:

• A)the current will be larger without the core
• B)the current will be larger with the core
• C)one must do work to remove the core
• D)the circuit will do work in expelling the core
• E)the stored energy is the same with or without the core

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