DC Motor Horsepower Calculator DC Motor Horsepower Calculator Calculate the horsepower of a DC motor. Using the formula: \[ HP = \frac{V \times I \times \eta}{746} \] where \( \eta \) is the efficiency (entered as a percentage and converted to a decimal). * Enter the motor voltage (V), current (A), and efficiency (%). Step […]
Read MoreThermal Noise Calculator Thermal Noise Calculator Calculate the RMS thermal noise voltage using: \[ V_n = \sqrt{4\,k\,T\,R\,B} \] * Enter temperature (K), resistance (Ω), and bandwidth (Hz). Step 1: Enter Parameters Temperature, \( T \) (K): Example: 300 K (approximately room temperature) Resistance, \( R \) (Ω): Example: 100 Ω Bandwidth, \( B \) (Hz): […]
Read MoreWire Resistivity Calculator Wire Resistivity Calculator Calculate the resistivity of a wire using: \[ \rho = \frac{R \times A}{L} \] * Enter the measured resistance (Ω), wire length (m), and cross-sectional area (m²). Step 1: Enter Wire Parameters Measured Resistance, \( R \) (Ω): Example: 10 Ω Wire Length, \( L \) (m): Example: 100 […]
Read MoreInverting Op-Amp Resistor Calculator Inverting Op-Amp Resistor Calculator For an inverting op-amp, the output voltage is given by: \[ V_{out} = -\left(\frac{R_f}{R_{in}}\right)V_{in} \] To achieve a desired gain magnitude \(|A_v|\), use: \[ |A_v| = \frac{R_f}{R_{in}} \quad \Rightarrow \quad R_f = |A_v| \times R_{in} \] * Enter the desired gain (magnitude) and the value of \(R_{in}\) […]
Read MoreGMR of Bundled Conductors Calculator GMR of Bundled Conductors Calculator Calculate the effective Geometric Mean Radius (GMR) of bundled conductors. For a 2-conductor bundle: \[ \text{GMR} = \sqrt{r \times D} \] For a 3-conductor bundle (equilateral triangle): \[ \text{GMR} = \left(r \times D^2\right)^{\frac{1}{3}} \] Step 1: Enter Bundle Parameters Select Bundle Configuration: 2-Conductor 3-Conductor (Equilateral) […]
Read MoreRMS Sine Wave Effective Value Calculator RMS Sine Wave Effective Value Calculator Calculate the RMS (effective) value of a sine wave. Using the formula: \[ V_{rms} = \frac{V_m}{\sqrt{2}} \] where \(V_m\) is the peak voltage. Step 1: Enter Peak Voltage Peak Voltage, \( V_m \) (V): Example: 170 V Calculate RMS Voltage Calculated RMS Voltage […]
Read MoreTransformer Effective Turns Ratio Calculator Transformer Effective Turns Ratio Calculator Calculate the effective turns ratio of an ideal transformer. Using the formula: \[ a = \frac{N_p}{N_s} \] Step 1: Enter Transformer Parameters Primary Turns, \( N_p \): Example: 100 turns Secondary Turns, \( N_s \): Example: 50 turns Calculate Turns Ratio Calculated Effective Turns Ratio […]
Read MoreInductance of Double Circuit Transmission Line Calculator Inductance of Double Circuit Transmission Line Calculator Calculate the total inductance of a double-circuit transmission line using the formula: \[ L’ = \frac{\mu_0}{\pi}\ln\left(\frac{D_{eq}}{r}\right) \] and \[ L_{\text{total}} = L’ \times L \] with \(\mu_0 = 4\pi \times 10^{-7}\, \text{H/m}\). * Enter the effective spacing, conductor radius, and line […]
Read MoreFull Wave Rectifier DC Voltage Calculator Full Wave Rectifier DC Voltage Calculator Calculate the average DC output voltage of a full-wave rectifier. Using the formula: \[ V_{DC} = \frac{2\,V_m}{\pi} \] where \(V_m\) is the peak AC voltage. Step 1: Enter AC Voltage Parameter Peak AC Voltage, \( V_m \) (V): Example: 170 V (peak voltage […]
Read MoreCapacitance of Single Phase Line Transmission Calculator Capacitance of Single Phase Line Transmission Calculator Calculate the total capacitance of a two-wire (single-phase) transmission line. Using the formulas: \[ C’ = \frac{\pi\,\epsilon_0\,\epsilon_r}{\ln\left(\frac{d}{r}\right)} \] \[ C_{\text{total}} = C’ \times L \] with \(\epsilon_0 = 8.854 \times 10^{-12}\, \text{F/m}\). Step 1: Enter Transmission Line Parameters Conductor Spacing, \( […]
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