which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB

11 Answers   Engineers India Limited, wbsedcl,

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Write the current equation in series RLC circuits.

0 Answers   Agilent, Integreon, ZS Associates,

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what are the types in Relay?

1 Answers   PLA,

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What are the effects of adding a zero to a system?

0 Answers  

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why in an electrical lab a bulb connected to supply goes off slowly when the main supply is switched off?

2 Answers  

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What is working principle of ACB and VCB?

9 Answers   Greenko, HCC,

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what is megar testing

4 Answers   NASA,

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in india why 50 hz and 220 volt taken as standard rating for equipments whereas in US 100hz and 110v is consided as standard rating.is this method save power.

5 Answers   Wipro,

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In Extended Delta transformer, by which method we can measure the extended angle of transformer?

1 Answers   Usha Martin,

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How many straight through joint is permissible in single core 33kv XLPE cable for a length of 985 mtr.

3 Answers   DMRC,

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

0 Answers   IBM, Kirloskar,

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