Which is remain unchanged in transformer action?
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can you any one give exact mathematical relation between AC current and DC current?
What is the relation between frequency and motor rpm?
Why use the vcb at high transmission system ? Why can’t use acb?
what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?
why does a dc machine has high efficiency while working as a generator than as a motor ..
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
What are the electrical engineer roles and responsibilities in chemical plant?
hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
What are the differences between single phase and three phase?
How to minimize the eddy current losses?
HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.
Define the overload capacity of the motor?
What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.
why and how current drawn by battery charger depends upon the altitude where it is located?