Chapter 7: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 7
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MCQ 156: Variable resistors can be used to
MCQ 157: If we have two values, consumed electrical energy can be found. First, the period of use of appliance and second, the
MCQ 158: Metal ions move through the electrolyte to coat the object which is
MCQ 159: 'Electricity' can
MCQ 160: Besides heat and light, electricity is also used in
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