5. For the two charges +Q and -20 shown below, select the best answer A B C D E A) The electric field is zero in region

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5 For The Two Charges Q And 20 Shown Below Select The Best Answer A B C D E A The Electric Field Is Zero In Region 1 (48.69 KiB) Viewed 53 times

5. For the two charges +Q and -20 shown below, select the best answer A B C D E A) The electric field is zero in region A B) The electric field is zero in region B C) The electric field is zero along the dashed line at C D) The electric field is zero in region D E) The electric field is zero in region E F) The electric field is zero somewhere in both regions A and B G) The electric field is zero somewhere in both regions D and E H) The electric field is zero somewhere in both regions A and E 1) The electric field is not zero in this diagram 6. An otherwise empty region of space contains a 1.2 nC charge and a 3.9 µC charge separated by 9.4 mm. The electrical potential energy of this system of charges is most nearly A) 2.7 x 10¹ J B) 4.5 x 10¹ J C) 6,1 x 10³ J D) 27 x 10³ J E) 4.5 x 10° J F) 6.1 x 10 J 7. If the amount of charge contained on the plates of a parallel-plate capacitor is doubled and the potential difference between the plates is halved, what happens to the energy stored? A) It stays the same B) It doubles C) It halves D) It quadruples E) It decreases by a factor of 4 8. An ohmic device has a resistance of 50 f. If it is connected to a 12 V battery, how much electrical power will the device use?