Determine the resistance of a 75-W lightbulb connected to its proper source voltage of 110 V. Determine the current through a 75-W lightbulb connected to its proper source voltage of 110 V. Determine the resistance of a 250-W lightbulb connected to its p
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Question “Determine the resistance of a 75-W lightbulb connected to its proper source voltage of 110 V. Determine the current through a 75-W lightbulb connected to its proper source voltage of 110 V. Determine the resistance of a 250-W lightbulb connected to its p”
A) Determine the resistance of a 75-W lightbulb connected to its proper source voltage of 110 V.
B) Determine the current through a 75-W lightbulb connected to its proper source voltage of 110 V.
C) Determine the resistance of a 250-W lightbulb connected to its proper source voltage of 110 V.
D) Determine the current through a 250-W lightbulb connected to its proper source voltage of 110 V.
No referring, please.
Answer
Answer 1
b) I = 75/110 = 0.682 amps
a) R = 110/0.682 = 161 ohms
d) I=250/110 = 2.27 amps
c) R = 110/2.27 = 48.45 ohms
Answer 2
Answer 3
A) P=V2/R so R=V2/P ; therefore R= 110*110/75 = 161.33 Ohm
B) VI = P/V, so I =75/110 = 0.68 Ampere
C) P=V2/R so R=V2/P. Therefore R= 110*110/250 = 48.4 Ohm
B) VI = P/V, so I =P/V, therefore I =250/110 = 2.2272 Ampere
Conclusion
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