Question

1a) what is the electric potential? A) electric potential is higher @ point A B) electric potential is higher @ point B C) electric potential is the same. 1b) A region of space contains a uniform electric field which points to the right everywhere with a magnitude of 5 V/m (field is the same at all points). How would potential energy of a 2mC charge change if it was moved from (0,0) to P. A.) The PE would increase by 0.16 J B.) The PE would increase by 0.12 J C.) The PE would decrease by 0.16 J D.) The PE would decrease by 0.12 J E.) The PE would decrease by 0.20 J 1c.) A parallel-plate capacitor is constructed with plates of area A & a gap between the plates d. The capacitor is connected to a battery until the potential difference between the plates is 9V. Then the other plates are added alongside the original ones, so now each plate has an area of 3A. The new expand capacitor is reconnected to the battery to ensure that the potential difference between plates is still 9V. How does the new electric field inside the capacitor compare to the original field. A. The new field is 3x larger than the original B. The new field is 3x smaller than the original C. The new field is 9x larger than the original D. The new field is 9x smaller than the original E. unchanged

          1a) what is the electric potential?
A) electric potential is higher @ point A
B) electric potential is higher @ point B
C) electric potential is the same.

1b) A region of space contains a uniform electric field which points to the right everywhere with a magnitude of 5 V/m (field is the same at all points). How would potential energy of a 2mC charge change if it was moved from (0,0) to P.
A.) The PE would increase by 0.16 J
B.) The PE would increase by 0.12 J
C.) The PE would decrease by 0.16 J
D.) The PE would decrease by 0.12 J
E.) The PE would decrease by 0.20 J

1c.) A parallel-plate capacitor is constructed with plates of area A & a gap between the plates d. The capacitor is connected to a battery until the potential difference between the plates is 9V. Then the other plates are added alongside the original ones, so now each plate has an area of 3A. The new expand capacitor is reconnected to the battery to ensure that the potential difference between plates is still 9V. How does the new electric field inside the capacitor compare to the original field.
A. The new field is 3x larger than the original
B. The new field is 3x smaller than the original
C. The new field is 9x larger than the original
D. The new field is 9x smaller than the original
E. unchanged

1a) what is the electric potential?
A) electric potential is higher @ point A
B) electric potential is higher @ point B
C) electric potential is the same.

1b) A region of space contains a uniform electric field which points to the right everywhere with a magnitude of 5 V/m (field is the same at all points). How would potential energy of a 2mC charge change if it was moved from (0,0) to P.
A.) The PE would increase by 0.16 J
B.) The PE would increase by 0.12 J
C.) The PE would decrease by 0.16 J
D.) The PE would decrease by 0.12 J
E.) The PE would decrease by 0.20 J

1c.) A parallel-plate capacitor is constructed with plates of area A a gap between the plates d. The capacitor is connected to a battery until the potential difference between the plates is 9V. Then the other plates are added alongside the original ones, so now each plate has an area of 3A. The new expand capacitor is reconnected to the battery to ensure that the potential difference between plates is still 9V. How does the new electric field inside the capacitor compare to the original field.
A. The new field is 3x larger than the original
B. The new field is 3x smaller than the original
C. The new field is 9x larger than the original
D. The new field is 9x smaller than the original
E. unchanged

Added by Heather M.

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