Author Question: You need an ideal transformer to reduce a voltage of 150 V in the primary circuit to 25 V in the ... (Read 68 times)

TVarnum · **on:** Jul 29, 2018

You need an ideal transformer to reduce a voltage of 150 V in the primary circuit to 25 V in the secondary circuit. The primary circuit has 130 windings and the secondary circuit is completed through a 55- resistor.

How many windings should the secondary circuit contain?

Question 2

Two protons are released from rest, with only the electrostatic force acting. Which of the following statements must be true about them as they move apart? (There could be more than one correct choice.)

A) Their electric potential energy keeps increasing.
B) Their kinetic energy keeps increasing.
C) Their kinetic energy keeps decreasing.
D) Their electric potential energy keeps decreasing.
E) Their acceleration keeps decreasing.