Useful tips for everyday
How do you measure a voice coil? In order to find the diameter of the voice coil, measure at the cone’s apex (see figure 1).…
Is led flicker harmful? Studies has revealed that prolonged exposure to flicker emitted by LED lights can lead to various health problems including eye strain,…
Can you drive a DC motor with a single MOSFET? Driving DC motor using a single MOSFET, why does the motor spin without applying a…
What is the composition of a CPU? The CPU is composed of five basic components: RAM, registers, buses, the ALU, and the Control Unit. Each…
What does it mean when a resistor has low resistance? A conductor has low resistance, while an insulator has much higher resistance. Devices called resistors…
What is the advantage of widlar current source over constant current source? It allows you to generate a low output current without using high value…
How does diode voltage vary with temperature? Increasing the temperature makes the diode to “turn ON” at lower voltages. The diode law for silicon –…
What is BJT transistor? A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electrons and holes as charge…
What are the 3 wires on a computer fan? A three pin connector is basically power (5/12 volt), ground, and signal. The signal wire measures…
How is voltage calculated in a transformer? Divide the number of secondary windings by the number of primary windings, and multiply the source voltage by…