MENU
Question -

Several electric bulbs designed to be used on a 220 V electric supply line, are rated 10 W. How many



Answer -

lamps can be connected in parallel with each other across the two wires of 220 V line if the maximum allowable current is 5 A?

Answer
The resistance of the bulb can be calculated using the expression
P1 = V2/R1
R1 = V2/P1
Substituting the values, we get
Hence, 110 lamps can be connected in parallel.

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
NodeJS Interview Questions Answers
ASP.Net Interview Questions Answers
Interview Questions Answers
×