The change in electric potential energy (APE) can be calculated using, where q i

Question

The change in electric potential energy (APE) can be calculated using, where q is the charge, and AV is the potental difference through which the charge moves. Rank the change in electric potential energies for the situations described below from lowest to highest. Situation 1: a charge Q moving through a potential difference of V_c. Situation 2: a charge 5Q moving through a potential difference of V_c. Situation 3: a charge Q moving through a potential difference of V_c/5. Situation 4: a charge Q/5 moving through a potential difference of V_c/5. Situation 5: a charge 5Q moving through a potential difference of 5V_C.

Explanation / Answer

situation 1:
delta PE = Q*Vc

situation 2:
delta PE = 5Q*Vc

situation 3:
delta PE = Q*Vc/5

situation 4:
delta PE = Q/5*Vc/5 = Q*Vc/25

situation 5:
delta PE = 5Q*5Vc = 25*q*vC

Highest
situation 5
situation 2
situation 1
situation 3
situation 4
Lowest

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