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Current in Moving Coil Galvanometer Formula

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Electric Current is the flow of electric charge through a conductor. It is measured by the amount of charge passing a point in the conductor per unit time. Check FAQs

i = \frac{K spring \cdot θ G}{n \cdot A cross-sectional \cdot B}

i - Electric Current?K_spring - Spring Constant?θ_G - Angle of Deflection of Galvanometer?n - Number of Turns of Coil?A_{cross-sectional} - Cross-Sectional Area?B - Magnetic Field?

Current in Moving Coil Galvanometer Example

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Here is how the Current in Moving Coil Galvanometer equation looks like with Values.

Here is how the Current in Moving Coil Galvanometer equation looks like with Units.

Here is how the Current in Moving Coil Galvanometer equation looks like.

0.1256 = \frac{2.99 \cdot 32}{95 \cdot 10000 \cdot 1.4E-5}

0.1256A = \frac{2.99N/m \cdot 32°}{95 \cdot 10000m² \cdot 1.4E-5Wb/m²}

0.1256 = \frac{2.99 \cdot 32}{95 \cdot 10000 \cdot 1.4E-5}

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Current in Moving Coil Galvanometer Solution

Follow our step by step solution on how to calculate Current in Moving Coil Galvanometer?

FIRST Step Consider the formula

i = \frac{K spring \cdot θ G}{n \cdot A cross-sectional \cdot B}

Next Step Substitute values of Variables

∴

i = \frac{2.99N/m \cdot 32°}{95 \cdot 10000m² \cdot 1.4E-5Wb/m²}

Next Step Convert Units

∴

i = \frac{2.99N/m \cdot 0.5585rad}{95 \cdot 10000m² \cdot 1.4E-5T}

Next Step Prepare to Evaluate

∴

i = \frac{2.99 \cdot 0.5585}{95 \cdot 10000 \cdot 1.4E-5}

Next Step Evaluate

∴

i = 0.125558723932922A

LAST Step Rounding Answer

∴

i = 0.1256A

Current in Moving Coil Galvanometer Formula Elements

Variables

Electric Current

Electric Current is the flow of electric charge through a conductor. It is measured by the amount of charge passing a point in the conductor per unit time.

Symbol: i

Measurement: Electric CurrentUnit: A

Note: Value can be positive or negative.

Formulas to find Electric Current

Spring Constant

The Spring Constant is the stiffness of a spring used in magnetic experiments. It affects the force needed to displace the spring in the presence of a magnetic field.

Symbol: K_spring

Measurement: Stiffness ConstantUnit: N/m

Note: Value should be greater than 0.

Formulas to find Spring Constant

Angle of Deflection of Galvanometer

Angle of Deflection of Galvanometer is the measure of how much the needle moves when a current passes through it. This angle indicates the strength of the current flowing through the galvanometer.

Symbol: θ_G

Measurement: AngleUnit: °

Note: Value should be greater than 0.

Formulas to find Angle of Deflection of Galvanometer

Number of Turns of Coil

Number of Turns of Coil is the total number of loops of wire wound around a core.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Turns of Coil

Cross-Sectional Area

The Cross-Sectional Area is the area of a particular section of an object, usually perpendicular to its length. It is used to determine the object's capacity to carry current or force.

Symbol: A_{cross-sectional}

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Cross-Sectional Area

Magnetic Field

The Magnetic Field is a vector field around a magnet or electric current that exerts force on other magnets or moving charges. It is described by both direction and strength.

Symbol: B

Measurement: Magnetic FieldUnit: Wb/m²

Note: Value can be positive or negative.

Formulas to find Magnetic Field

Other formulas in Magnetism category

Go Magnetic Field on Axis of Ring

B = \frac{[Permeability-vacuum] \cdot i \cdot {r ring}^{2}}{2 \cdot {({r ring}^{2} + d^{2})}^{\frac{3}{2}}}

Go Force between Parallel Wires

F 𝑙 = \frac{[Permeability-vacuum] \cdot I 1 \cdot I 2}{2 \cdot π \cdot d}

Go Magnetic Field at Center of Arc

M arc = \frac{[Permeability-vacuum] \cdot i \cdot θ arc}{4 \cdot π \cdot r ring}

Go Field Inside Solenoid

B = \frac{[Permeability-vacuum] \cdot i \cdot N}{L solenoid}

How to Evaluate Current in Moving Coil Galvanometer?

Current in Moving Coil Galvanometer evaluator uses Electric Current = (Spring Constant*Angle of Deflection of Galvanometer)/(Number of Turns of Coil*Cross-Sectional Area*Magnetic Field) to evaluate the Electric Current, Current in Moving Coil Galvanometer formula is defined as a measure of the electric current flowing through a coil in a galvanometer, which is a type of ammeter used to measure small currents, and is dependent on the spring constant, deflection angle, number of turns, area of the coil, and magnetic field strength. Electric Current is denoted by i symbol.

How to evaluate Current in Moving Coil Galvanometer using this online evaluator? To use this online evaluator for Current in Moving Coil Galvanometer, enter Spring Constant (K_spring), Angle of Deflection of Galvanometer (θ_G), Number of Turns of Coil (n), Cross-Sectional Area (A_{cross-sectional}) & Magnetic Field (B) and hit the calculate button.

FAQs on Current in Moving Coil Galvanometer

What is the formula to find Current in Moving Coil Galvanometer?

The formula of Current in Moving Coil Galvanometer is expressed as Electric Current = (Spring Constant*Angle of Deflection of Galvanometer)/(Number of Turns of Coil*Cross-Sectional Area*Magnetic Field). Here is an example- 0.839858 = (2.99*0.55850536063808)/(95*10000*1.4E-05).

How to calculate Current in Moving Coil Galvanometer?

With Spring Constant (K_spring), Angle of Deflection of Galvanometer (θ_G), Number of Turns of Coil (n), Cross-Sectional Area (A_{cross-sectional}) & Magnetic Field (B) we can find Current in Moving Coil Galvanometer using the formula - Electric Current = (Spring Constant*Angle of Deflection of Galvanometer)/(Number of Turns of Coil*Cross-Sectional Area*Magnetic Field).

Can the Current in Moving Coil Galvanometer be negative?

Yes, the Current in Moving Coil Galvanometer, measured in Electric Current can be negative.

Which unit is used to measure Current in Moving Coil Galvanometer?

Current in Moving Coil Galvanometer is usually measured using the Ampere[A] for Electric Current. Milliampere[A], Microampere[A], Centiampere[A] are the few other units in which Current in Moving Coil Galvanometer can be measured.

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Current in Moving Coil Galvanometer Formula

Current in Moving Coil Galvanometer Example

Current in Moving Coil Galvanometer Solution

Current in Moving Coil Galvanometer Formula Elements

Other formulas in Magnetism category

How to Evaluate Current in Moving Coil Galvanometer?

FAQs on Current in Moving Coil Galvanometer

Variable Name