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 23957what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law
NFCL,
2 17279Post New Electrical Engineering Questions
What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?
Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?
what is ps impedance test
what is the difference between gas group b and gas group c electrical equipment construction wise?
how many stairs have you climbed while you were coming
What Is HO factor in power selection
Mention the methods for starting an induction motor?
What is the formula to calculate the rating of a three phase air circuit breaker
How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.
What are the advantages of skewing of cage rotor conductors?
I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com
Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.
how does a shunt reactor maintains the bus voltage???
What is mean by Sensitive Earth fault & what are the effects
how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?