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प्रश्न
A ______ can be detected with an electroscope.
विकल्प
always repulsion
always attraction
displacement of negative charge
displacement of positive charge
atom
molecule
steel
copper
plastic
inflated balloon
charged object
gold
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उत्तर
A charged object can be detected with an electroscope.
Explanation:
This instrument is used to detect electrical charge (positive or negative). When an object is electrically charged, its reaction in the electroscope indicates whether the object is charged or not. The electroscope has a filament or blades, which can move closer or farther from each other when charged, thus indicating the charge.
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