Home/ Questions/Both batteries in (Figure 1) are ideal and identical, and all lightbulbs are the same.
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Asked: 2022-04-11T18:40:04+00:00 In:

Both batteries in (Figure 1) are ideal and identical, and all lightbulbs are the same.

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Both batteries in (Figure 1) are ideal and identical, and all lightbulbs are the same.

Rank in order, from brightest to least bright, the brightness of bulbs a to c.

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Both batteries in (Figure 1) are ideal and identical, and all lightbulbs are the same. Rank...

♦ Relevant knowledge
The brightness of the bulb is determined by the power of the bulb. The higher the dispersion of power can be its brightness. The brightness of the bulb is determined by the current flowing over the resistor.

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    Expert

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  2. Only bulb is used in the first instance.


    [katex]a[/katex]

    Two bulbs are required in the second case.


    [katex]b[/katex]

    The voltage of all three bulbs is therefore the same.

    The order of the bulbs’ brightness is [katex]a=b=c[/katex]



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