Find the total resistance and the potential difference for the resistors connected in parallel where the amounts of the resistors are : R1=10 Ohm R2=5 Ohm R3=2 1.25 Ohm and 12V
1.25 Ohm and 15V
17 Ohm and 15V
17Ohm and 12V

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

An object weigh 40n in air ,weigh 20n when submerged in water, and 30n when submerged in a liquid of unknown liquid density. what is the density of unknown of liquid?