Wire Resistance Calculator Wire Resistance Calculator Calculate the electrical resistance of a wire using: \[ R = \rho \, \frac{L}{A} \] * Enter the wire resistivity (Ω·m), length (m), and cross-sectional area (m²). Step 1: Enter Wire Parameters Resistivity, \( \rho \) (Ω·m): Example: 1.68e-8 Ω·m (Copper) Wire Length, \( L \) (m): Example: 100 […]

LED Current Limiting Resistor Calculator LED Current Limiting Resistor Calculator Calculate the resistor value needed for an LED circuit using: \[ R = \frac{V_{\text{supply}} – V_{\text{LED}}}{I_{\text{LED}}} \] * Enter the supply voltage (V), LED forward voltage (V), and LED current (mA). Step 1: Enter Circuit Parameters Supply Voltage, \( V_{\text{supply}} \) (V): Example: 9 V […]

Wheatstone Bridge Calculator Calculate the unknown resistance \( R_x \) in a balanced Wheatstone bridge using: \[ R_x = \frac{R_2 \times R_3}{R_1} \] * Enter resistor values in ohms, separated by their respective input fields. Step 1: Enter Resistor Values Resistor \( R_1 \) (Ω): Example: 100 Ω Resistor \( R_2 \) (Ω): Example: 150 […]

Parallel Resistance Calculator Parallel Resistance Calculator Calculate the equivalent resistance of resistors connected in parallel using: \[ \frac{1}{R_{eq}} = \frac{1}{R_1} + \frac{1}{R_2} + \dots + \frac{1}{R_n} \] * Enter resistor values in ohms, separated by commas. Step 1: Enter Resistor Values Resistor Values (Ω): Enter values separated by commas (e.g., 100, 200, 300) Calculate Equivalent […]

Ferranti Effect Voltage Calculator Estimate the open-circuit (no-load) receiving end voltage due to the Ferranti effect. Formula: \[ V_R = V_S \left[ 1 + \frac{1}{2}\left(\omega\, C_{total}\, Z_c\right)^2 \right] \] where \( \omega = 2\pi f \), \( C_{total} = \text{Capacitance per km} \times \text{Line Length (km)} \times 10^{-6} \) (in F), and \( Z_c \) […]

Electrical Generator EMF Calculator Electrical Generator EMF Calculator Calculate the induced EMF (RMS voltage) using: \[ E = 4.44\, f\, N\, \phi \] * Enter frequency (Hz), number of turns, and flux per pole (Wb). Step 1: Enter Generator Parameters Supply Frequency, \( f \) (Hz): Example: 60 Hz Number of Turns, \( N \): […]

Hydraulic Motor Horsepower Calculator Hydraulic Motor Horsepower Calculator Calculate the hydraulic motor horsepower using the formula: \[ HP = \frac{Q \times P}{1714 \times \eta} \] where \( Q \) is in GPM, \( P \) is in psi, and \( \eta \) is the efficiency. * Enter flow rate (GPM), pressure (psi), and efficiency (%) […]

Motor Top Speed RPM Calculator Motor Top Speed RPM Calculator Calculate the top (no-load) speed of an induction motor. Using: Synchronous Speed: \( n_{sync} = \frac{120\, f}{P} \) Top Speed: \( n_{top} = n_{sync}(1 – s) \) * Enter supply frequency (Hz), number of poles, and slip (as a decimal; e.g., 0.03 for 3%). Step […]

Stepper Motor Maximum Speed and Power Calculator Stepper Motor Maximum Speed and Power Calculator Calculate the maximum speed and power consumption of a stepper motor. Maximum Speed: \(\text{RPM} = \frac{f \times \theta}{6}\) Power Consumption: \(P = 2 \times \frac{V^2}{R}\) * Enter the maximum step frequency \(f\) (steps/sec), step angle \(\theta\) (degrees), motor voltage \(V\) (volts), […]

Synchronous Speed Calculator Synchronous Speed Calculator Calculate the synchronous speed of an AC motor using: \[ n_s = \frac{120 \, f}{P} \] where \(f\) is the frequency (Hz) and \(P\) is the number of poles. * Enter the supply frequency and the number of poles. Step 1: Enter Parameters Frequency, \( f \) (Hz): Example: […]