There are four different circuits with bulbs(identical) and batteries as shown here. In which circuit will the bulb(s) be the brightest?

Circuit Q

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Circuit S

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Circuit R

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Circuit P

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Solution

The correct option is C Circuit R
The correct option is option C, circuit R.

This circuit has only one bulb connected across a battery of two cells. So it will glow the brightest since this circuit will have more current flowing through it compared to others.

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In which of the following circuits will the bulb or the bulbs glow the brightest?

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