The primary coil of a transformer has 549,090 loops. The secondary coil has 825

Question

The primary coil of a transformer has 549,090 loops. The secondary coil has 825 loops. The primary coil has a 74 A current and 12 V.

a.) Is this a step-up or step-down transformer? How do you know? Choose one of the following.

It is a step-down transformer because the primary has more loops than the secondary.
It is a step-up transformer because the primary has more loops than the secondary.
It is a step-up transformer because the primary current is greater than the primary voltage.
It is a step-down transformer because all transformers are step-down transformers.
It is a step-up transformer because all transformers are step-up transformers.
It is a step-down transformer because the primary current is greater than the primary voltage.


b.) Determine the power of the primary coil.
______W
c.) Assuming no losses, determine the power of the secondary coil.
______W
d.) Calculate the voltage in the secondary coil.
_______V
e.) Calculate the current in the secondary coil.
_______A

Explanation / Answer

please check the answers once again ..those are correct as , I got power in primary coil is approximately equal to power in secondary coil..(this is a check) the order of answers are a) then c) then d) and then b)

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