What happens to the current in a circuit if the resistance is doubled while the voltage remains constant? A Current
Continue readingCategory: ENGINEERING
Electrical 5
What does the term “electrical grounding” refer to? A Reducing voltage B Connecting a circuit to the Earth C Increasing
Continue readingElectrical 4
What is the SI unit of electric potential difference? A Ampere B Ohm C Volt D Watt Explanation Electric potential
Continue readingElectrical 3
What is the purpose of using a flyback diode in a circuit? A To stabilize voltage B To protect against
Continue readingElectrical 2
What is the formula for calculating electric current? A I = V / R B I = VR C I
Continue readingElectrical 1
Which device converts electrical energy into mechanical energy? A Generator B Transformer C Battery D Motor Explanation An electric motor
Continue readingMCQ on Vacuum Circuit Breaker
1. What is the primary dielectric medium used in Vacuum Circuit Breakers (VCBs)? (a). Gas (b). Oil (c). Air (d).
Continue readingMCQ on SF6 Circuit Breaker
1. What is the primary medium used in SF6 circuit breakers to extinguish electrical arc? (a). Oil (b). Air (c).
Continue readingMCQ on Air Blast Circuit Breaker
1. What is the interrupting medium used in Air Blast Circuit Breaker (ABCB)? (a). Oil (b). Water (c). compressed air
Continue readingMCQ on Air Break Circuit Breaker
1. What is the primary quenching medium used in air break circuit breakers? (a). Water (b). boil (c). air (d).
Continue reading