MCQs: A good permanent magnet should produce a high magnetic field with a
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MCQs: The discovery which was made by Hans Oersted was used by an
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MCQs: When the switch is turned off, the iron bar
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MCQs: Charges in an atom are
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MCQs: In our daily life, we find most of the compounds contain
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MCQs: A current carrying conductor has a
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MCQs: The more the resistors to a circuit, the
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MCQs: Electrolysis is also used to purify
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MCQs: The electrolyte used in the purification of copper is
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MCQs: The strength of electromagnet can be increased by introducing a soft iron core
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MCQs: For current to flow, the circuit should be
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MCQs: Electric companies charge for
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MCQs: An instrument that gives an accurate measurement of the electric current flowing in a circuit is known as
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MCQs: A magnet may attract or repel by
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MCQs: Compared to long thick wire of copper, the short but thick wire would have
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MCQs: Current can only flow if there is a closed circuit
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MCQs: If someone carrying a knife or gun passes through a detector, it alters the rate of
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MCQs: The electromagnet consists of a coil of wire with
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MCQs: In parallel circuit, the current is
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MCQs: In conductors, electrons can flow because their
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