Since the rotor bars or conductors form a closed circuit

Since the rotor bars or conductors form a closed circuit, rotor current is produced whose direction, as given by Lenz’s law, is such as to oppose the very cause producing it.
I feel difficulty with the “very”?
Could some please explain it to me?

This is sense 2 at collinsdictionary.com/dictio … glish/very :

(intensifier) used with nouns preceded by a definite article or possessive determiner, in order to give emphasis to the significance, appropriateness or relevance of a noun in a particular context, or to give exaggerated intensity to certain nouns ⇒ the very man I want to see, his very name struck terror, the very back of the room