will a fluorescent bulb work when dc is passed through it??
if not why??
Answers were Sorted based on User's Feedback
Answer / n.jena
Yes,a
fluorescent tube
work on DC
supply,if we
will give a
resistance to
choke in series
connection.for
40watt bulb-166
ohm .
| Is This Answer Correct ? | 29 Yes | 0 No |
Answer / debojyoti ghosal
Fluorescent lamps can run directly from a direct current (DC) supply of sufficient voltage to strike an arc. The ballast must be resistive, and would consume about as much power as the lamp. When operated from DC, the starting switch is often arranged to reverse the polarity of the supply to the lamp each time it is started; otherwise, the mercury accumulates at one end of the tube.
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / dwivedi sandeepdhar
no because inductive reactance is zero
| Is This Answer Correct ? | 3 Yes | 13 No |
no.because the density of the filament of the fluorescent
lamp is very high for the DC supply.hence DC voltage will
not glow the lamp
| Is This Answer Correct ? | 1 Yes | 15 No |
How we do the maintenance of Servo motor, even we cant open it?
direction of tarbine& genrator
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
Can a 150 kva 3 phase,440v/230v delta-wye connection stepdown transformer can be used in reverse as a step up tranformer ?
where is used dc volage transformer,and what is highest capacity of transformer
What are the basic & Majour problems in UPS ?
0 Answers Roto Power, RotoPower,
How is the connection of the tap changer on the HV side been made?
what is feeder bay?
what is differance between kvarh $ kvah
Piezoelectric materials serve as a source of:- A. Microwaves B. Ultrasonic waves C. Musical waves D. Resonant waves
how can u determine size of the conductor by knowing the voltage level
While miss missed name platform fo electric motor how to calculate simple fourmul,?
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)