While taking photographs in death valley on a day when the temperature is 52.0°c, bill hiker finds that a certain voltage applied to a tungsten wire produces a current of 1.000 a. bill then travels to antarctica and applies the same voltage to the same wire. what current does he register there if the temperature is −88.0°c? assume no change occurs in the wire's shape and size.

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=