The speed of a dc motor can be controlled by the variation of
1. armature voltage. 2. field current. 3. armature circuit
resistance. 4. angle of brush shift.
Which of the statements given above are correct?
(a) 1,2 and 3 (b) 2,3 and 4
(c) 1,3 and 4 (d) 1,2 and 4
can u give me a brief idea about power line carrier communication ??
Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?
what is difference between fuse and circuit breaker?
what is solkor relay and which condition it will act?
what are the available sizes of pin type terminal lugs in the market today?
how can we say that stator magnetic field rotates with synchronous speed?can we derive?
power inverter we are using 2n3773 power transister in that places we can use any IGBT ?
What are the safety devices on Cumins Diesel Generators from 500 kva to 1500 kva.
TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?
1.what is use of isolation transformer. 2.Differance between KWH,KVAH,KVARH,KVA. 3.Main use of the CT and PT.
How can remove the jerks on genretor due to remov or connecting the load ?
what is the formula for hv test for cable and circuit breaker..????