Chapter 7: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 7
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MCQ 231: The consumed number of units of electricity can be found by applying formula
MCQ 232: For each electric appliance, the fuse should be fixed with
MCQ 233: In electric motors, a coil or a wire carrying an electric current produces
MCQ 234: When electrons vibrate fast, some of the electrical energy is changed to
MCQ 235: The process used in electroplating is called
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