a bulb of 100W and anather bulb of 200W , rated supply
voltage 230v.when supply voltage is reduced to 100v,which
bulb will give more light? and why with calculation?
Answers were Sorted based on User's Feedback
Answer / boopathi
power =current*voltage
100w and 200w pulb are glowing in 230v resrectively.
reduced the current means voltage.also reduced the current .
so more current is take to the 100w bulp.not enough of
cuurent is take the 200w.
| Is This Answer Correct ? | 12 Yes | 16 No |
Answer / pravesh
if the bulbs are connected in paralled then both bulbs will
glow equally but is cannected in series the first bulb will
glow brighter , as in series current is always same and but
in parallel circuit voltage is same
| Is This Answer Correct ? | 4 Yes | 11 No |
motor work in hat principle generator work in what principle transformer work in what principle pls explain with details or answered to ramadoss.sepc@gmail.com
What is the meaning of Fault level rating?
1 Answers Balrampur Chini Mill,
How many points can we have in AC Circuit? Show by giving suitable example?
Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?
what is difference between 3.5 core and 4 core cable
Why battery is always operate on dc supply?
1 Answers Vikram Ispat Industries,
what is a relation of energy in electromagetic field
Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?
what is dedicated earthing
2 Answers Apollo Power, Student,
When we giving the 3 phase supply to ups system how to coming netural?
0 Answers Juniper Networks, Tata Motors,
what type of load we can give to motor shaft?
sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)