When an object is at rest on the Earth, the gravitational force disappears.
Indicate whether the statement is true or false
Question 2
A parallel-plate capacitor is charged by a battery and then the battery is removed and a dielectric of constant K is used to fill the gap between the plates. Inserting the dielectric changes the energy stored by a factor of
A)
1/K.
B)
K.
C)
2.
D)
K - 1.
E)
1 (no change).