Atransformer is to be used to provide power for a computer drive. the number of turns in the primary is 1000, and it delivers a secondary current of 600 milliamperes (ma) at a secondary voltage of 8.0 v for the drive. a voltage of 400 volts is applied across the primary. what kind of transformer is this? a. step upb. loadc. step-downd. ac

C.Step-Down

Explanation:

Given that

Number of turn in the primary N₁= 1000

Secondary current I₂= 600 mA

Secondary voltage V₂= 8 V

Primary voltage V₁= 400 V

From the above information we can say that output voltage is low compare to input voltage.

V₂ < V₁

We know that if

1 . V₂ < V₁  - Then transformer will be step down .

2. V₂ > V₁  - Then transfer will be step up .

Here

V₂ < V₁  ( 8 V < 400 V)

So the transformer is step down transformer.

C.Step-Down

positive reinforcement? ?

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c) both a and b.