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Electric Current and its Effects — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceElectric Current and its Effects1 Mark
Question
For a bulb to glow, it must be connected to a battery. Why?
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Answer

For a bulb to glow, it must be connected to a battery because a bulb will require more power. The battery is the source of electric current in a circuit which glows the bulb. Hence, the battery is essential in a circuit.

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