Neon signs require 12 kv for their operation. to operate from a 244 v line, what must be the ratio of secondary to primary turns of the transformer?

Which instrument is used to measure air temperature

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

If y gets smaller as x gets bigger and y have an relationship?