3 heat switch: if there are two elements and each have a resistance of 100 ohm, and voltage is 230V, what its resistance and power will be in high, medium and low position?
simmestat: how does simmestat work on a stove hotplate or grill on and off in a fixed cycle.
motor:Can u tell 4 types of single phase motor ? And how do they work by?
net work :How to calculate resistance and current of a hearter which has label states 2200W,230V ?
appliance test : what's the propuse of the appliance test?
protecting: 25A fuse has a fusing factor of 1.5, what's minimum fusing current is?
