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Electrical

QuestionAnswer
What is the formula for impedance z=sqr root of R sqd + X sqd
What is the formula for reactance XL= 2pie FL and XC = 1/2pie FC
List three power formulas P=V*i and P=iSqd R and P=i*V*COS
What is the formula for illumination E=i/D sqd
Which are two incandescent lamps Tungsten filament and High pressure mercury
Name 3 types of DC machines Series motors, shunt motors and compound motors
What does DOL stand for? Direct On Line starter
What are the electronic components used in a bridge rectifier Diodes
What is the formula for Power Factor COS Theta = R/ Z OR PF= KW/kVA
What type of protective device is a 3036 Semi Enclosed Fused
What type of protective device is a BS EN 60898 Circuit Breaker
What type of protective device is a BS 88-2 General purpose fuse
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