PHY3054 - Exam 1 - Fall 1996 - Selman Hershfield
Answers
- Answer = (3) 0 N
- Answer = (2) Rod A is positive, rod B is negative, and rod C is negative.
- Answer = (5) Sphere A is negatively charged and sphere B is positively charged.
- Answer = (4) 160 degrees
- Answer = (1) 1.2 N
- Answer = (1) Done correctly
- Answer = (2) q2 = -0.7 q1
- Answer = (3) 1.0x105 N/C
- Answer = (1) -3 C
- Answer = (2) -5V
- Answer = (4) If the electrical potential is zero in a region, the electric field is also zero.
- Answer = (2) -0.5 J
- Answer = (2) |EP| is bigger than |EQ|, and |ER| is smaller than |ES|.
- Answer = (2) -0.9 micro-Coulomb/m2
- Answer = (3) The flux through the surface is zero, but the electric field is not zero on the Gaussian surface.
- Answer = (1) 1.6x106m/s
- Answer = (1) Region I
- Answer = (4) a and c
- Answer = (3) b and c
- Answer = (4) A negative charge moves from high electrical potential (voltage) to low electrical potential.