Wireless Electric Vehicle Charging

[Fatima Hasan]

Homework Statement

We have a project about wireless charging of EV and been recommended by the instructor to use the diagram attached below.
In the diagram attached below, the core is split into two sides with an isolator (fiber for example).
This part is placed in the ground.

In the car, there is a split iron isolated with fiber (for example) so that when the car reaches the charging station, the iron connects to the core placed in the ground so that the magnetic field transmits and the charging process begins.

Q1: What is the purpose of the splitting the core & iron, and placing an isolator between the split sides?
Q2: Would splitting the iron (placed in the car) affect the magnetic field transmission?

Relevant Equations

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[berkeman]

You must show your best efforts to answer the questions before we can offer tutorial help. Also, is there an alternate word that you can use instead of "isolator"? What exactly is that?