Question

9 g
g
66m
t = 6.705
Uf = 14-ums
u.
부
?
=
a​

Answer 1

Answer:

dont no the answer ask any one

Answer 2

Answer:

when current runs through the coil, and the moving core is pulled toward the fixed iron core, and closes the contact point at the same time by the holder.

Explanation:

This ain't a reasonable question -_-