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Drawer 04

Electricity and Signals calculators

Capacitor charging, resistance and impedance, apparent and real power, frequency and period, cable loss and bandwidth, worked with SI units.

Cards in this drawer
39
Typical formula
V = Vs(1 − e^(−t⁄RC))
Photo collage: electronic capacitors, resistors with coloured bands, a small breadboard and coiled copper wire.

Front of the drawer

Every card in Electricity and Signals

CalculatorWorks outExample result
100 Volt Cable Loss Calculator and Voltage DropCable voltage drop1.13 V
A to kVA Calculator: Convert Amps to Kilovolt-AmpsApparent power2.88 kVA
Calculate the Voltage Across a Capacitor (RC Charging)Capacitor voltage7.585 V
Calculate Video Bandwidth Usage: Formula and ExamplesEstimated data2.25 GB
Capacitor Calculation: Find Capacitance and Charge
Capacitor Formulas and Calculations Explained
Capacitor Size Formula: Calculate CapacitanceCapacitance0.000200 F
Capacitor Voltage Formula: DC, AC, and RC CircuitsCapacitor voltage, charging3.161 V
CIE 1931 Color Space Calculator and XYZ GuideCIE x chromaticity0.6401
Convert Nanoseconds to Hertz: The Reciprocal FormulaFrequency1,000,000,000.00 Hz
Correlated Color Temperature Calculator and Guide
Distributed Speaker Loss Calculator: Voltage Drop ExplainedVoltage drop0.5833 V
Distribution Speaker Cable Loss CalculatorCable power loss11.00 %
Electrical Energy Transferred Calculator and Formula
Equivalent Impedance: How to Calculate ItEquivalent resistance30.00 ohm
eV and mol Units Calculator for Electricity
Frequency Calculator: What It Measures and How It WorksFrequency6.00 Hz
Frequency Range Calculator: Find the Span in HzFrequency range900.00 Hz
Gauge Beam Spot Size Calculator and Measurement GuideEstimated beam diameter12.00 mm
Gaussian Beam Diameter Calculator: Formula and MeaningBeam diameter80,570.598 mm
Gaussian Beam Focus Calculator in PythonBeam radius at distance0.5000 mm
Gaussian Beam Focusing Calculator With TemperatureFocused waist radius16.93 um
Gaussian Beam Propagation Calculator EquationBeam radius at distance0.5000 mm
How to Calculate Electrical Energy: Formula and ExamplesElectrical energy1.000 kWh
kVA to kW CalculatorReal power40.00 kW
Ms to Hz Converter: Formula and ExamplesFrequency50.00 Hz
Music Note Counter Calculator: Count Notes in a Score
Note Frequency Calculator: Convert Notes to Hertz
Parallel Circuit Impedance: Formula and Calculation
Parallel Impedance Calculator and FormulaEquivalent resistance6.67 ohm
Parallel Impedance Calculator: Total Z Made ClearTotal impedance magnitude50.00 ohm
Parallel Plate Impedance Calculator: Formula and LimitsApproximate characteristic impedance37.67 ohm
RC Parallel Impedance Calculator for SpeakersImpedance magnitude1.56 ohm
Resolution Bandwidth Calculator: RBW ExplainedMaximum resolution bandwidth1,000.00 Hz
RF Frequency Range Calculator: Find the BandFrequency range width20.000 MHz
Seconds to Hz Converter: Formula and ExamplesFrequency0.500 Hz
Speaker Cord Loss Calculator: Voltage Drop and PowerPower lost7.61 %
Three Phase kVA Calculator: Formula and ExamplesApparent power6.93 kVA
Total Resistance of Two Resistors in ParallelTotal resistance68.75 Ω

Every calculator uses a standard formula and shows it. How the calculators work.