Answer Posted / ashish
D.c is more dangerous as compare to A.C.
In case of a.c current and voltge change time to time. And
its value become two times equal to zero.
Vi=Vmsin(wt)
Vi is equal to zero after 180 and 360 degree.
| Is This Answer Correct ? | 14 Yes | 9 No |
Post New Answer View All Answers
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
how does a shunt reactor maintains the bus voltage???
how can tell us the AC indoor or outdoor which Tr and formulls
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
How to calculate earth wire load by formula
define the active power?
How servo stabilizer works.
how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory
what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm
why servomotor motor? where i apply for best output?
What is pi controller?
why induction motors are rated at 0.8 power factor.