two 100W/230V bulb are connected in series. what would be
the voltage drop across 1 bulb
Answer Posted / dineshdamam
Applying kirchoff's voltage
law
we get the eqn
V= I*R1 + I*R2
now since both the lamps
are identical hence we get
V= 2I*R
230= 2I*R or
I*R = 115 =voltage drop
across each lamp.
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
how braking & making capacity of circuit breaker are calculated?
How to calculate multiplying factor of dc energy meter
what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
how to calculate transformer load?
what is PWM in IGBT and how it works for drive.?
What are the different types of dams?
why dc is used in control circuits for MV & LV switchgeras instead of ac
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??
What is the drawback of class b amplifier? How is this minimized?
hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u
Give some differences between open loop and closed loop control systems.
what are the problems that generally occur in power flows??
what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?