Rio Salado Physics 112 Midterm |101 Questions| With Correct Answers.

an electron moves through a potential difference of 1500V. The magnitude of the charge in potenial energy experienced by the electron is {Ans: 1500eV}A battery with an emf of 12V connects in parallel to a 50 ohm and 25 ohm resistor. The current through the battery is 0.70 A. What is the internal resistance of the battery {Ans: 50 x25 / 50+25 +16.6 E=I(Req +r) 12=0.7(16.6 +r) 12=11.66 +0.7r 0.333=0.7r 0.54 ohm}which of the following statements regarding equipotentials and electric fields is accurate {Ans: Electric field lines are perpendicular to equipotentials and electric fields is accurate}Two identical metal blocks are in contact side-by-side. A positively charged rod moves near the left block. Which of the following most accurately shows the resulting distribution of charge throughout the metal blocks? {Ans: When a positively charged rod moves near the left of the block, it attracts or pulls negative charge of the block.}Two identical batteries each with the voltage of V, connect to each other in parallel. This arrangement then connects to a resistor. The voltage across the resistor is {Ans: V}Two charged spheres are suspended from strings. The charged spheres repel each other. Which statement correctly explains