Electric and magnetic fields
Calculate the cyclotron frequency of a charged particle in a magnetic field with f = qB / (2πm). Enter charge, magnetic field…
Calculate the generator power you need from the total current and supply voltage. Get apparent power (kVA), real power (kW,…
Calculate the Fresnel zone radius at any point between two antennas from the frequency and distances (rn = √(n·λ·d1·d2/(d1+d2))).…
Calculate the illuminance (lux) on a surface from a light source's power (watts), luminous efficacy, and area — or convert…
Calculate the voltage standing wave ratio (VSWR), reflection coefficient (Γ), return loss, reflected power percentage, and…
Convert a delta (Δ) network of three resistors into an equivalent wye (Y) network and vice versa. Enter Ra, Rb, Rc or R1,…
Calculate electric motor torque from power and rotational speed using T = 60 × P / (2π × N). Solve for torque, power, or…
Calculate the drift velocity of charge carriers (electrons, ions, holes) in a conductor using u = I/(nAq). Enter current,…
Calculate the skin depth of an AC signal in a conductor using δ = √(ρ/(π·f·μ)). Choose copper, silver, gold, aluminum, iron,…
Calculate the free space path loss (FSPL) of a radio signal from the distance between antennas, the signal frequency, and…
Calculate the acceleration of a charged particle in an electric field using a = qE/m. Enter the charge, mass, and electric…
Calculate the electric potential at a point due to a single point charge or a system of point charges (V = kq/r). Find the…
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