To achieve a top score, it is essential to align your preparation with the latest standards set by the Punjab School ...

Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable ...

Speaking of misbehaving power toggles, a few weeks back (as I’m writing this in mid-December), the kitchen wall switch that ...

Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.

Voltage fluctuations inside buildings are a common but often misunderstood problem. Lights flicker, appliances behave erratically, electronic devices reset unexpectedly, and motors sound strained.