At a given time, a house is supplied with 100a at 220 v. how many 75w, 220v light bulbs could be switched on in the house at the same time, when they are connected in parallel?
Answers
Answered by
290
Since the arrangement is in parallel :
Voltage across the bulbs is same.
The summary of the current in each path is equal to the current supplied.
The total current in this case is 100Ampheres
Total voltage = 220 V
We can get the power supplied :
P = VI
100 × 220 = 22000 W
The bulbs are rated at 75 W per bulb.
Total bulbs :
22000 / 75 = 293.3
Which is 293 since we cannot have a fraction bulb.
Voltage across the bulbs is same.
The summary of the current in each path is equal to the current supplied.
The total current in this case is 100Ampheres
Total voltage = 220 V
We can get the power supplied :
P = VI
100 × 220 = 22000 W
The bulbs are rated at 75 W per bulb.
Total bulbs :
22000 / 75 = 293.3
Which is 293 since we cannot have a fraction bulb.
Answered by
77
Answer:
Explanation:
Since the arrangement is in parallel :
Voltage across the bulbs is same.
The summary of the current in each path is equal to the current supplied.
The total current in this case is 100Ampheres
Total voltage = 220 V
We can get the power supplied :
P = VI
100 × 220 = 22000 W
The bulbs are rated at 75 W per bulb.
Total bulbs :
22000 / 75 = 293.3
Which is 293 since we cannot have a fraction bulb.
Similar questions