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Spark Plug
When the power supply cable got sparked, it gets burnt or caches fire then explain why the spark plug in our automobiles never get burnt or catch fire even it spark's?
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Line Wire
When we touch the line wire or supply wire we get shock. What is that? Is it voltage or current or something else?
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Value of Binary Number with n Digit
What is the Value of binary number with n digit, all of which are unity?a) 2 to the power nb) 2 to the power (n-1)c) (n square) - 1d) (2 to the power n) - 1
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3 Phase Motor
How can we test a 3 phase motor on single phase supply?How can we run a 3 Phase Motor on Single Phase supply for testing?How can we verify of a 3 phase motors' 6 wire & name them a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter?
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LED's for Rectification
Why cannot we use LED's for rectification purpose?Can we get light when the circuit is working?
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Earthing Standards
What is the standard for Cable sizing & Voltage Drop?What is the standard for earthing?
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Change in Frequency
Why do we maintain 50hz frequency? What happens when we change this frequency to any other value?