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What causes a compass needle to deflect when electric current flows through a wire wrapped around it?a)Chemical reactionb)Magnetic effect of currentc)Heat generationd)Light emissionCorrect answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about What causes a compass needle to deflect when electric current flows through a wire wrapped around it?a)Chemical reactionb)Magnetic effect of currentc)Heat generationd)Light emissionCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What causes a compass needle to deflect when electric current flows through a wire wrapped around it?a)Chemical reactionb)Magnetic effect of currentc)Heat generationd)Light emissionCorrect answer is option 'B'. Can you explain this answer?.

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