**PHY3054 - Final - Fall 1994 - Selman Hershfield
**

**Answers**
- Answer = (2) 6.5 x 10
^{9} N
- Answer = (1) -60 degrees
- Answer = (4) +1 C
- Answer = (2) V is not zero, and E is zero.
- Answer = (2) -2.3 x 10
^{10} J
- Answer = (1) 0.24 mm
- Answer = (5) Resistors store energy.
- Answer = (1) 0.2 micro-Coulomb
- Answer = (4) Figure 5.4
- Answer = (2) I = 2 A
- Answer = (1) 1.5 Ohms
- Answer = (4) (i) Counter-clockwise, (ii) towards the bottom of the page.
- Answer = (4) 3.6 Tesla
- Answer = (4) top: down; middle: up; bottom: down.
- Answer = (5) 1 x 10
^{-6} Tesla into the page
- Answer = (5) 4 mA Counter-clockwise
- Answer = (1) Clockwise in Fig. 11.1 and clockwise in Fig. 11.2.
- Answer = (1) Sound waves
- Answer = (2) No
- Answer = (4) I
_{0} /2
- Answer = (1) 6.3 cm
- Answer = (5) All the rays are correct.
- Answer = (2) False
- Answer = (1) -72 cm