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100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.
Bhel,
3 5886WHAT HAPPENING TO TRANSFORMER???? i have the step down transformer rating 230/12v, power rating something.,,, ok. suppose iam giving 12v to secondary side,what will happen on primary side.,,,
6 10042Bhel supervision exam question: If 2 generators are working in a network. And if suddenly the field of anyone generator weakens. What will happen in the network? 1. The generator will run as motor 2. The generator will run as motor in reverse direction 3. The generator will take lighter load 4. The generator will take more load
Bhel,
9 12950Post New Electrical Engineering Questions
Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction
Define what is difference between fuse and breaker?
why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??
What do you understand by external characteristics of a d.c. Generator?
how can i get an electrical c-certificate?
what is star delta starter? how it works? give its control and power diagram.
How can I calculate ISF of current transformer?
What is electrical diversity factor in electrical installations?
diff. between tension mode & speed mode
What is meant by coupling capacitor?
what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer
how to calculate single phase motor efficiency ?
how could we know the size of cable by physical view?
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
