Source Voltage Calculator
Calculate source voltage in AC/DC circuits using Ohm’s Law and Kirchhoff’s rules. Fast, accurate tool with formulas, tables, and examples.
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In a DC circuit, Vs = I × R are used to obtain the source voltage, and in an AC circuit, Vs = I × Z are used, where Z is the impedance.
Formula & Table Summary:
| Formula | Description |
|---|---|
| Vs = I × R | DC source voltage |
| Vs = I × Z | AC source voltage with impedance |
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source voltage calculator
The Source Voltage Calculator assists in estimating the supply voltage in a circuit as far as Ohms Law or impedance as in AC. Formula: Vs = I × R (DC), Vs = I × Z (AC).
AC source voltage calculator
| Current (A) | Resistance (Ω) | Impedance (Ω) | Source Voltage (V) |
|---|---|---|---|
| 2 | 10 | - | 20 |
| 5 | 15 | - | 75 |
| 3 | - | 8 | 24 |
| 10 | - | 20 | 200 |
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Frequently Asked Questions - Source Voltage Calculator:
Source voltage is the supply voltage provided by a battery, generator, or power source to a circuit.
Use Vs = I × R, where I is current and R is resistance.
Use Vs = I × Z, where Z is impedance.
It is measured in volts (V).
Yes, both terms mean the same in electrical circuits.
Ideally no, but in real systems voltage may drop under load due to internal resistance.
Yes, using a voltmeter across the source terminals.
It can damage connected devices or cause overheating.
The circuit may not operate correctly or devices may underperform.
Yes, it is directly related to current and resistance as Vs = I × R.
