Electrical Academia | Page 4 of 51 | Learn Electrical Technology Online For Free

RL Series Circuit

This guide covers RL Series Circuit Analysis, its Phasor Diagram, Power & Impedance Triangle, and several solved examples. … Read More

This guide covers DC Servo Motor and Stepper Motor Working Principle, Block Diagrams, and their Applications. Further, it … Read More

This guide covers armature reaction in DC Machine (Generator and Motor) and how to correct it using Brush … Read More

This guide covers single phase and three phase systems along with the Wye (Star) and Delta connections. Three … Read More

1. Separators are usually placed between opposing plates in leads acid cells to: A. prevent the electrodes … Read More

1. A three-phase generating system has an efficiency of around: A. 96% B. 90% C. 66% … Read More

1. With regards to measuring current and voltage in an AC circuit, modern AC instruments are calibrated to … Read More

1. The only AC waveform that produces a current flow with the same waveform as the voltage is … Read More

1. A capacitor consists of two conducting surfaces called plates, separated by an insulating material called the: … Read More

1. In electric circuits, ‘inductance’ is the property of a circuit which: A. produces a voltage in … Read More

1. Resistance can be described as the: A. opposition to current flow B. resist rate of the … Read More

1. The minimal electrical circuit must contain three parts-a source, a path and a: A. load B. … Read More