Answer:

Step-by-step explanation:
Given voltage of primary coil is 
And voltage of secondary coil is 
A transformer is a device that contains primary and secondary coil. These coils are mounted on soft iron. The change in voltage depends upon the number of turns of primary coil
and secondary coil
.
Following equation represents the relation between them.

Then, ratio of the number of wire turns on the primary coil to the number of turns on the secondary coil is

Answer:
Step-by-step explanation:
A plan to only spend x amount of money while shopping
-2*4=-8
-8 is the correct answer
Answer:
10i
Step-by-step explanation:
it is square root of 100, which is 10, times i, which is square root of -1
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