7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is
No Answer is Posted For this Question
Be the First to Post Answer
when u are given a timer,push buttons and contactor, how do i practically make a star delta control circuit and a direct online control circuit?
What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin
ac and dc motor advandtage,disadvantage,aplication
Define the three phase formula fuse.
How to calculate & connection of 900KVA generator 2 sets & load(1500A)? How to choose cable size and ACB size for this load & generator? please explain me detail. Regards, Mr.Han
power generation unit kw/hr or kw/day ?? please answer me firstname.lastname@example.org
Which is remain unchanged in transformer action?
what is the difference between electrical choke and electronic choke?
what is the difference between LLL and LLLG fault ?
what is the current law ?
What should be value of Circuit breaker operating time and tripping time?
how to select a air/vacuum circuit breaker.is there any thumb rule???