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What Is Ohm’s Law? Ohm’s law states that the electrical…
Decoupling capacitors When designing a circuit, many novice engineers…
What is a Wirewound Resistor? A wirewound resistor is an electrical…
What is the Power Rating of a Resistor? The power rating of a resistor…
Voltage and Current Relationship The earth is a dynamic place. Objects…
The Effect of Phase We saw in the previous page that the voltage…
Motor capacitors AC induction motors use a rotating magnetic field to…
Definition Shunt Resistor A shunt resistor is used to measure electric…
Different materials react to voltage in different ways. If a material…
What is a Fixed Resistor? Fixed value resistors have a defined ohmic…
What is capacitance? Electric capacitance is the ability of a…
Dielectric materials Dielectric materials are essentially insulators,…
Standard Resistor Values In 1952, the IEC (International…
What is a Variable Resistor? A variable resistor is a resistor of…
All types of resistors have their own resistor symbols which are used…
What is a Digital Potentiometer? A digital potentiometer (also known…
What is a Varistor? A varistor is a voltage dependent resistor (VDR).…
What is a Foil Resistor? The metal foil resistor has the best…
What are ceramic capacitors? A ceramic capacitor uses a ceramic…
What are Photoresistors? Photoresistors, also known as light dependent…
