a room heater is connected in serise with a 100w bulb.if the
100w bulb is replaced by a 40w bulb then the output of the
heater is increase/decrease/remain same?
- 9 Answers
- 23688 Views
- College School Exams Tests, I also Faced
- E-Mail Answers
Answer Posted / roopesh
P=(I^2)R
In series circuit the current is same. So in series circuit power(p) is proportional to resistance(r), therefore 100w bulb has more resistance compare to 40w bulb.
| Is This Answer Correct ? | 0 Yes | 5 No |
Post New Answer View All Answers
how do you choose the cable size as per amps rating & the voltage drop for the same.
application s to shunt coil
Define de-sensitivity?
What is inrush current?
how much GROUND & NEUTRAL VOLT maintain in data center.
how pt is using
what is the solution for meger test failed the MV cable?
What are root loci?
how can i get an electrical c-certificate?
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
what is meant by rotating magnetic filed
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.
Why ground terminal is used in pot meter 10k ohms
how can we select the appropriate VCB ?
