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The resistance is simply the value of resistances of all electrical equipment connected in Parallel by all consumers in a big city.
The answer is amazingly accurate, if we have the average power consumption (Megawatts-MW) figure from the power company at any time of the day.
Suppose a big city is consuming 100-MW at a given time. Assuming we use 100 volts AC at consumer homes, then at any given moment the instantaneous resistance (R in ohms) of the city is simply given by the formula:
Power(watts) = (Volts x Volts) / Resistance (R in ohms)..........or,
P=V2/ R, therefore,
R = V2/P (ohms)......... then,
If:
V=100 volts (ac)
P= 100,000,000 watts
Then:
R = 100 x 100 / 100,000,000 = 0.0001 (ohms)
(make sure to use only watts, volts and ohms in the formula above).
Good Luck !
The resistance is simply the value of resistances of all electrical equipment connected in Parallel by all consumers in a big city.
The answer is amazingly accurate, if we have the average power consumption (Megawatts-MW) figure from the power company at any time of the day.
Suppose a big city is consuming 100-MW at a given time. Assuming we use 100 volts AC at consumer homes, then at any given moment the instantaneous resistance (R in ohms) of the city is simply given by the formula:
Power(watts) = (Volts x Volts) / Resistance (R in ohms)..........or,
P=V2/ R, therefore,
R = V2/P (ohms)......... then,
If:
V=100 volts (ac)
P= 100,000,000 watts
Then:
R = 100 x 100 / 100,000,000 = 0.0001 (ohms)
(make sure to use only watts, volts and ohms in the formula above).
Good Luck !
The resistance is simply the value of resistances of all electrical equipment connected in Parallel by all consumers in a big city.
The answer is amazingly accurate, if we have the average power consumption (Megawatts-MW) figure from the power company at any time of the day.
Suppose a big city is consuming 100-MW at a given time. Assuming we use 100 volts AC at consumer homes, then at any given moment the instantaneous resistance (R in ohms) of the city is simply given by the formula:
Power(watts) = (Volts x Volts) / Resistance (R in ohms)..........or,
P=V2/ R, therefore,
R = V2/P (ohms)......... then,
If:
V=100 volts (ac)
P= 100,000,000 watts
Then:
R = 100 x 100 / 100,000,000 = 0.0001 (ohms)
(make sure to use only watts, volts and ohms in the formula above).
Good Luck !
The resistance is simply the value of resistances of all electrical equipment connected in Parallel by all consumers in a big city.
The answer is amazingly accurate, if we have the average power consumption (Megawatts-MW) figure from the power company at any time of the day.
Suppose a big city is consuming 100-MW at a given time. Assuming we use 100 volts AC at consumer homes, then at any given moment the instantaneous resistance (R in ohms) of the city is simply given by the formula:
Power(watts) = (Volts x Volts) / Resistance (R in ohms)..........or,
P=V2/ R, therefore,
R = V2/P (ohms)......... then,
If:
V=100 volts (ac)
P= 100,000,000 watts
Then:
R = 100 x 100 / 100,000,000 = 0.0001 (ohms)
(make sure to use only watts, volts and ohms in the formula above).
Good Luck !
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