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Home Q & A Board Science-Related Homework Help Physics
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NVstudent NVstudent
wrote...
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11 years ago
How much current is drawn by a lamp that has a resistance of 100 ohms when it is connected to a 50-volt souce?

If you could show me the formula and how you worked it. that would help me and my understanding! As always thank you so much for what you do for mel.
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rjacintorjacinto
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Posts: 34
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11 years ago
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wrote...
#2
11 years ago
hardy har har v = ir
v = voltage
i = current
r = resistance

50 volt = i * 100 ohms
i = (50 volt) / (100 ohm) = 0.5 amperes
wrote...
#3
11 years ago
v = ir


50  = i * 100
i = 50 / 100
i = 0.5 amperes
wrote...
#4
11 years ago
.5 amps
wrote...
#5
11 years ago
FORMULA:
I=V/R

hence I=50/100
            =0.5 ampere
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