Electrical Archive

What is a Potentiometer

Potentiometer A Potentiometer is a electrical device used to measure unknown voltage by comparing it with a known voltage. It comprises of a slide wire of uniform cross-section and hence uniform resistance along its length. A calibrated scaling cm and fraction of cm is ...Read More

Calibration and Testing of Single-Phase Energy Meter

Our aim here is to calibrate the given Single-Phase Energy Meter using a precession Wattmeter and stopwatch using or employing phantom loading. The main apparatus required for conducting this practical experiment include: Single-Phase Induction type Energy Meter – 240V (5-10)A Wattmeter 300V/10A UPF Phase ...Read More