Kirchhoff’s Laws

Kirchhoff’s Laws

Kirchhoff’s two circuit laws are commonly used in the analysis of voltages and currents in electrical circuits. Kirchhoff’s Current Law (KCL) equates the currents acting at any point in a circuit, while Kirchhoff’s Voltage Law (KVL) considers the...

Current (Electrical Current)

Electrical current is the rate of movement of electrical charge and is measured in coulombs per second or amperes (A). Current flow is most commonly due to the movement of negatively charged electrons (as in a copper wire), where electrons move in a direction opposite...

Magnetic Flux

Magnetic flux (symbol Φ – the Greek letter Phi) is the magnetic field produced by a source of magnetism such as a permanent magnet or electromagnet. Magnetic flux is measured in webers (Wb). A commonly used graphical convention when drawing magnetic fields...

Charge Stored by a Capacitor

The charge (Q) stored on the plates of a capacitor is related to the capacitance (C) multiplied by the voltage (V) across the capacitor plates. Charge is measured in coulombs (C) while capacitance is given in farads (F), and voltage in volts (V). General purpose...