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Change in Drain Current Formula

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Change in drain current refers to the variation in the amount of current flowing through the drain terminal of a transistor when its base voltage is changed. Check FAQs

i d = - \frac{V a}{Z 2}

i_d - Change in Drain Current?V_a - A-Phase Voltage?Z₂ - Impedance of Secondary Winding?

Change in Drain Current Example

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Here is how the Change in Drain Current equation looks like with Values.

Here is how the Change in Drain Current equation looks like with Units.

Here is how the Change in Drain Current equation looks like.

-15.7273 = - \frac{17.3}{1.1}

-15.7273mA = - \frac{17.3V}{1.1kΩ}

-15.7273 = - \frac{17.3}{1.1}

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Change in Drain Current Solution

Follow our step by step solution on how to calculate Change in Drain Current?

FIRST Step Consider the formula

i d = - \frac{V a}{Z 2}

Next Step Substitute values of Variables

∴

i d = - \frac{17.3V}{1.1kΩ}

Next Step Convert Units

∴

i d = - \frac{17.3V}{1100Ω}

Next Step Prepare to Evaluate

∴

i d = - \frac{17.3}{1100}

Next Step Evaluate

∴

i d = -0.0157272727272727A

Next Step Convert to Output's Unit

∴

i d = -15.7272727272727mA

LAST Step Rounding Answer

∴

i d = -15.7273mA

Change in Drain Current Formula Elements

Variables

Change in Drain Current

Change in drain current refers to the variation in the amount of current flowing through the drain terminal of a transistor when its base voltage is changed.

Symbol: i_d

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Change in Drain Current

A-Phase Voltage

A-phase voltage is the voltage of a-phase.

Symbol: V_a

Measurement: Electric PotentialUnit: V

Note: Value should be greater than 0.

Formulas to find A-Phase Voltage

Impedance of Secondary Winding

Impedance of Secondary Winding refers to the total opposition or resistance to the flow of alternating current in the secondary coil.

Symbol: Z₂

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Impedance of Secondary Winding

Other formulas in Miller’s Theorem category

Go Current at Primary Node of Amplifier

i 1 = \frac{V a}{Z 1}

Go Miller Capacitance

C m = C gd \cdot (1 + \frac{1}{g m \cdot R L})

Go Primary Impedance in Miller Capacitance

Z 1 = \frac{Z t}{1 - (A v)}

Go Secondary Impedance in Miller Capacitance

Z 2 = \frac{Z t}{1 - (\frac{1}{A v})}

How to Evaluate Change in Drain Current?

Change in Drain Current evaluator uses Change in Drain Current = -A-Phase Voltage/Impedance of Secondary Winding to evaluate the Change in Drain Current, Change in Drain Current formula is defined as a flow of electrical charge carriers, usually electrons or electron-deficient atoms. Electrons, most common charge carriers, are negatively charged. They flow from relatively negative points to relatively positive points. Electric current can be either direct or alternating. Change in Drain Current is denoted by i_d symbol.

How to evaluate Change in Drain Current using this online evaluator? To use this online evaluator for Change in Drain Current, enter A-Phase Voltage (V_a) & Impedance of Secondary Winding (Z₂) and hit the calculate button.

FAQs on Change in Drain Current

What is the formula to find Change in Drain Current?

The formula of Change in Drain Current is expressed as Change in Drain Current = -A-Phase Voltage/Impedance of Secondary Winding. Here is an example- -15727.272727 = -17.3/1100.

How to calculate Change in Drain Current?

With A-Phase Voltage (V_a) & Impedance of Secondary Winding (Z₂) we can find Change in Drain Current using the formula - Change in Drain Current = -A-Phase Voltage/Impedance of Secondary Winding.

Can the Change in Drain Current be negative?

Yes, the Change in Drain Current, measured in Electric Current can be negative.

Which unit is used to measure Change in Drain Current?

Change in Drain Current is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Change in Drain Current can be measured.

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