In a wheatstone’s bridge, p = 9 ohms, q = 11 ohms, r = 4 ohms and s = 6 ohms. How much resistance must be put in parallel to the resistance s to balance the wheatstone bridge?.

Consider the following problem: a box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. find the largest volume that such a box can have.

**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

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?