Figure 3 shows four identical light bulbs connected to a volt battery whose internal resistance is negligible.

      

Figure 3 shows four identical light bulbs connected to a volt battery whose internal resistance is negligible.
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Determine the reading of the voltmeter V.

  

Answers


John
Let V be the voltage across each bulb.

Total voltage = 2.5 V = V = $\frac{15}{2.5}$ = 6

But voltage across parallel bulbs = $\frac{V}{2}= \frac{6}{2}$ = 3 V
johnmulu answered the question on May 23, 2017 at 13:24


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