PHY3054 - Exam 1 - Fall 1995 - Selman Hershfield
Answers
- Answer = (2) 0.01 N
- Answer = (5) The overall charge on the electroscope is negative, and the foil is negatively charged.
- Answer = (1) 45 degrees
- Answer = (3) 0.050 N
- Answer = (1) Done correctly
- Answer = (1) All can be correct.
- Answer = (1) 0 V/m
- Answer = (1) 1 micro Coulomb
- Answer = (5) 4 C
- Answer = (2) 126 degrees
- Answer = (4) 18 kV
- Answer = (5) 10 x 105 m/s
- Answer = (2) The potential energy increases, and the electrical potential decreases.
- Answer = (4) 3 V/m
- Answer = (2) -1.5 mJ
- Answer = (2) 3 micro Farad
- Answer = (2) Fig. 9.1 is different. Figs. 9.2 and 9.3 are the same.
- Answer = (1) 1/9
- Answer = (4) 2/3 V
- Answer = (2) The energy will go up by a factor of 2.