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14 July, 18:54

A lamp that plugs into a wall socket draws energy, which flows through a thin wire in the bulb, causing it to heat up until it glows. What energy

transformations are taking place

Chemical - light - electrical

Mechanical - sound - light

Thermal - solar - electrical

Electrical - thermal - light

An electric pencil sharpener uses electricity to make its motor soin. The pencil sharpener also makes noise and heats up. Which observation

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  1. 14 July, 22:37
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    A lamp that plugs into a wall socket draws energy, which flows through a thin wire in the bulb, causing it to heat up until it glows. What energy

    transformations are taking place

    Chemical - light - electrical

    Mechanical - sound - light

    Thermal - solar - electrical

    Electrical - thermal - light

    An electric pencil sharpener uses electricity to make its motor soin. The pencil sharpener also makes noise and heats up. Which observation
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