An instructor furiously cranks an electric generator to simultaneously power 5 electric light bulbs. each 5.4 v bulb is drawing 0.14 a of current. ignoring all resistance in the rest of the circuit, what is the power output of the instructor? give your answer in watts.

Need in all of themmm only answer if you know plsssss

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z