Electromotive Force when Battery is Discharging Solution

STEP 0: Pre-Calculation Summary
Formula Used
Electromotive Voltage = Electromotive Force-Electric Current*Resistance
Velectromotive = ε-I*R
This formula uses 4 Variables
Variables Used
Electromotive Voltage - (Measured in Volt) - Electromotive Voltage is the difference in electric potential between two points, which is defined as the work needed per unit of charge to move a test charge between the two points.
Electromotive Force - (Measured in Volt) - Electromotive force is the capability of the system to make the charge flow.
Electric Current - (Measured in Ampere) - Electric Current is the time rate of flow of charge through a cross sectional area.
Resistance - (Measured in Ohm) - Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.
STEP 1: Convert Input(s) to Base Unit
Electromotive Force: 1.8 Volt --> 1.8 Volt No Conversion Required
Electric Current: 2.1 Ampere --> 2.1 Ampere No Conversion Required
Resistance: 15 Ohm --> 15 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Velectromotive = ε-I*R --> 1.8-2.1*15
Evaluating ... ...
Velectromotive = -29.7
STEP 3: Convert Result to Output's Unit
-29.7 Volt --> No Conversion Required
FINAL ANSWER
-29.7 Volt <-- Electromotive Voltage
(Calculation completed in 00.020 seconds)

Credits

Created by Payal Priya
Birsa Institute of Technology (BIT), Sindri
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9 Basics of Current Electricity Calculators

Electric Current given Drift Velocity
Go Electric Current = Number of Free Charge Particles per Unit Volume*[Charge-e]*Cross-Sectional Area*Drift Speed
Drift Speed given Cross-Sectional Area
Go Drift Speed = Electric Current/(Number of Electrons*[Charge-e]*Cross-Sectional Area)
Drift Speed
Go Drift Speed = (Electric Field*Relaxation time*[Charge-e])/(2*[Mass-e])
Electromotive Force when Battery is Discharging
Go Electromotive Voltage = Electromotive Force-Electric Current*Resistance
Electromotive Force when Battery is Charging
Go Electromotive Voltage = Electromotive Force+Electric Current*Resistance
Electric Field
Go Electric Field = Electric Potential Difference/Length of Conductor
Current Density given Electric Current and Area
Go Electric Current Density = Electric Current/Area of Conductor
Current Density given Resistivity
Go Electric Current Density = Electric Field/Resistivity
Electric Current given Charge and Time
Go Electric Current = Charge/Total Time Taken

Electromotive Force when Battery is Discharging Formula

Electromotive Voltage = Electromotive Force-Electric Current*Resistance
Velectromotive = ε-I*R

How is electromotive force calculated ?

When the battery is on discharging it acts as a source. Electromotive force is calculated through the formula V = ε - ir. where V is the voltage also known as terminal voltage,
ε is the electromotive force,
i is the electric current and r is the resistance

How to Calculate Electromotive Force when Battery is Discharging?

Electromotive Force when Battery is Discharging calculator uses Electromotive Voltage = Electromotive Force-Electric Current*Resistance to calculate the Electromotive Voltage, Electromotive force when battery is discharging is the capability of system to make charge flow. Electromotive Voltage is denoted by Velectromotive symbol.

How to calculate Electromotive Force when Battery is Discharging using this online calculator? To use this online calculator for Electromotive Force when Battery is Discharging, enter Electromotive Force (ε), Electric Current (I) & Resistance (R) and hit the calculate button. Here is how the Electromotive Force when Battery is Discharging calculation can be explained with given input values -> -29.7 = 1.8-2.1*15.

FAQ

What is Electromotive Force when Battery is Discharging?
Electromotive force when battery is discharging is the capability of system to make charge flow and is represented as Velectromotive = ε-I*R or Electromotive Voltage = Electromotive Force-Electric Current*Resistance. Electromotive force is the capability of the system to make the charge flow, Electric Current is the time rate of flow of charge through a cross sectional area & Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.
How to calculate Electromotive Force when Battery is Discharging?
Electromotive force when battery is discharging is the capability of system to make charge flow is calculated using Electromotive Voltage = Electromotive Force-Electric Current*Resistance. To calculate Electromotive Force when Battery is Discharging, you need Electromotive Force (ε), Electric Current (I) & Resistance (R). With our tool, you need to enter the respective value for Electromotive Force, Electric Current & Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Electromotive Voltage?
In this formula, Electromotive Voltage uses Electromotive Force, Electric Current & Resistance. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Electromotive Voltage = Electromotive Force+Electric Current*Resistance
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