The power dissipated by a resistor of 10ohm when a current of 2A passes through it is:(a) 0.4W(b) 20W(c) 40W(d) 200W

2 Answers  

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Why is the air gap between the pole pieces and the armature kept very small?

0 Answers  

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kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

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Can I do body earthing of machine by using Cable armour or I have to run another GI wire for body earthing and how many wires I need to run. Is there any rule for this. eartnig

3 Answers   HAL,

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is it possible to have dc motors on single chip

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How many points does a Circuit can have?

0 Answers  

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What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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How to calculate PF capactors for a connected load?

2 Answers   FD, Power World,

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What are test signals and their significance?

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why buchholz relay is kept on inclined position and why it is cover??

1 Answers   GSECL,

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier

2 Answers   APCPDCL, APEPDCL,

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