Chapter 7: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 7
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MCQ 36: Some appliances cost more because they need more
MCQ 37: As electrons pass through a bulb, they use
MCQ 38: Fuses work only
MCQ 39: When small hammer is attracted by electromagnet, the bell
MCQ 40: William Sturgeon made first electromagnet in
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