Chapter 7: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 7
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MCQ 261: The loudspeaker changes the electric signals into
MCQ 262: Earth wire is a wire that
MCQ 263: The wire coil is wound round the neck of a
MCQ 264: One of the causes of overloading is
MCQ 265: Sometimes, bulb does not light up even if the circuit is complete because the
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