Category: Test Category

Which device is used to step up or step down AC voltage? A Generator B Transformer C Rectifier D Motor

What does the term “electrical grounding” refer to? A Reducing voltage B Connecting a circuit to the Earth C Increasing

What is the SI unit of electric potential difference? A Ampere B Ohm C Volt D Watt Explanation Electric potential

What is the purpose of using a flyback diode in a circuit? A To stabilize voltage B To protect against

What is the formula for calculating electric current? A I = V / R B I = VR C I