JE Electrical Course A complete preparation module covering basics to advanced concepts with MCQs and mock tests. MockTest Electrical MCQ
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JE Electrical Course MockTest Electrical MCQ Centre Explore a wide range of multiple-choice questions to strengthen your fundamentals. Basic MCQ
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Which device is used to step up or step down AC voltage? A Generator B Transformer C Rectifier D Motor
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What does the term “electrical grounding” refer to? A Reducing voltage B Connecting a circuit to the Earth C Increasing
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What is the SI unit of electric potential difference? A Ampere B Ohm C Volt D Watt Explanation Electric potential
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What is the purpose of using a flyback diode in a circuit? A To stabilize voltage B To protect against
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What is the formula for calculating electric current? A I = V / R B I = VR C I
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