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Primary Current given Voltage Transformation Ratio Formula

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Primary Current is the current which is flow in the primary winding of the transformer. The primary current of the transformer is dictated by the load current. Check FAQs

I 1 = I 2 \cdot K

I₁ - Primary Current?I₂ - Secondary Current?K - Transformation Ratio?

Primary Current given Voltage Transformation Ratio Example

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Here is how the Primary Current given Voltage Transformation Ratio equation looks like with Values.

Here is how the Primary Current given Voltage Transformation Ratio equation looks like with Units.

Here is how the Primary Current given Voltage Transformation Ratio equation looks like.

12.6 = 10.5 \cdot 1.2

12.6A = 10.5A \cdot 1.2

12.6 = 10.5 \cdot 1.2

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Primary Current given Voltage Transformation Ratio Solution

Follow our step by step solution on how to calculate Primary Current given Voltage Transformation Ratio?

FIRST Step Consider the formula

I 1 = I 2 \cdot K

Next Step Substitute values of Variables

∴

I 1 = 10.5A \cdot 1.2

Next Step Prepare to Evaluate

∴

I 1 = 10.5 \cdot 1.2

LAST Step Evaluate

∴

I 1 = 12.6A

Primary Current given Voltage Transformation Ratio Formula Elements

Variables

Primary Current

Primary Current is the current which is flow in the primary winding of the transformer. The primary current of the transformer is dictated by the load current.

Symbol: I₁

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Primary Current

Secondary Current

Secondary Current is the current which is flows in the secondary winding of transformer.

Symbol: I₂

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Secondary Current

Transformation Ratio

The Transformation Ratio of the transformer is used to find the relation between primary voltage and secondary voltage.

Symbol: K

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Transformation Ratio

Other formulas in Current category

Go Equivalent Reactance of Transformer from Primary Side

X 01 = X L1 + X' 2

Go Equivalent Reactance of Transformer from Secondary Side

X 02 = X L2 + X' 1

Go Primary Leakage Reactance

X L1 = \frac{X' 1}{K^{2}}

Go Reactance of Primary Winding in Secondary

X' 1 = X L1 \cdot K^{2}

How to Evaluate Primary Current given Voltage Transformation Ratio?

Primary Current given Voltage Transformation Ratio evaluator uses Primary Current = Secondary Current*Transformation Ratio to evaluate the Primary Current, The Primary Current given Voltage Transformation Ratio formula is defined as the current which is flow in the primary winding of the transformer. Primary Current is denoted by I₁ symbol.

How to evaluate Primary Current given Voltage Transformation Ratio using this online evaluator? To use this online evaluator for Primary Current given Voltage Transformation Ratio, enter Secondary Current (I₂) & Transformation Ratio (K) and hit the calculate button.

FAQs on Primary Current given Voltage Transformation Ratio

What is the formula to find Primary Current given Voltage Transformation Ratio?

The formula of Primary Current given Voltage Transformation Ratio is expressed as Primary Current = Secondary Current*Transformation Ratio. Here is an example- 12.6 = 10.5*1.2.

How to calculate Primary Current given Voltage Transformation Ratio?

With Secondary Current (I₂) & Transformation Ratio (K) we can find Primary Current given Voltage Transformation Ratio using the formula - Primary Current = Secondary Current*Transformation Ratio.

Can the Primary Current given Voltage Transformation Ratio be negative?

Yes, the Primary Current given Voltage Transformation Ratio, measured in Electric Current can be negative.

Which unit is used to measure Primary Current given Voltage Transformation Ratio?

Primary Current given Voltage Transformation Ratio is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Primary Current given Voltage Transformation Ratio can be measured.

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