Answer / balakrishnan.t

to avoid any induced emf in the inner cable by lighting or through other means the outer shield or armouring is ussually earthed this is called earthed cable and cable without this is called unearthed cable.

Answer / kiran

Safty of the Equipment.which is the connected Earth Cable
power is not passed the Equipment.

a room heater is connected in serise with a 100w bulb.if the 100w bulb is replaced by a 40w bulb then the output of the heater is increase/decrease/remain same?

9 Answers   College School Exams Tests,

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What is meant by Low Resistance Cable and High Resistance Cable.

0 Answers  

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

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why we test the core balance of the transformer?

1 Answers   Siemens,

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why core is useful for a transformer ?and also in its operation ?

0 Answers  

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How do ACB are maintenance, what are the problem occurred in ACB

1 Answers   KIML,

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What is the Diff. btw Fire Alarm System & VESDA System??????

1 Answers   Emerson,

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Give accurate definitions for these electric terms: Inductor Inductance Inductive Induction Reactance Reactive Esam Baraka ٢١ ساعة

0 Answers   HMK,

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what is the working principle of dc motor & its application ?

3 Answers  

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The exciting current of a transformer is non sinusoidal. why?

2 Answers  

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What do you mean by turns ratio of instrument transformer?

0 Answers  

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how to calculate the ac and dc wire losses with calculations plz tell me

3 Answers   Apollo,

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