Power Dissipated By Each Of Two Bulbs Connected In Series

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Power Dissipated By Each Of Two Bulbs Connected In Series

An incandescent light bulb rated at 60 W will dissipate 60 W of heat and light when connected across a 100 V ideal voltage source. A 100 W bulb will dissipate 100 W when connected across the same source. If the bulbs are connected in series across the same source, determine the power that either one of the two bulbs will dissipate.

**The strings**:
S_{7}P_{3}A_{32} (force - push).
**The math**:

Pj Problem of Interest is of type *force* (push).
**Equations of interest: V = IR; P = IV; P = I ^{2}R**

Figure 1.1 is bulb 1 connected to the voltage source.

So, current, I = P/V = 60/100 = 0.6 A.

So, R

Figure 1.2 is bulb 2 connected to the voltage source.

So, current, I = P/V = 100/100 = 1 A

So, R

Figure 1.3 is both bulbs connected in series to the voltage source.

So, Total circuit resistance, R

So, current, I = 100/266.7 = 0.375 A

V

So, Power dissipated by bulb one = 0.375 x 62.51 = 23.44 W.

V

So, Power dissipated by bulb two = 37.5 x 0.375 = 14.06 W.

Math

The *point* **.** is a mathematical abstraction. It has negligible size and a great sense of position. Consequently, it is front and center in abstract existential reasoning.

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