Electric voltage is defined as
a)charge transfer per unit time.
b)work per unit charge.
c)resistance per unit charge.
d)work per unit time.
?
b
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If a cast iron has the UNS designation F2XXXX it is _________cast iron.
Fill in the blank(s) with the appropriate word(s).
Fig. 15-5 shows four Gaussian surfaces surrounding a distribution of charges. Which Gaussian surfaces have an electric flux of +q/?o through them?
(1) a.
(2) b.
(3) b and d.
(4) c.
(5) b and c.
A standard exam page is 8.5 inches by 11 inches. An exam that is 2.0 mm thick has a volume of
a. 1.9 × 10^4 mm3. b. 4.7 × 10^4 mm3. c. 1.2 × 10^5 mm3. d. 3.1 × 10^5 mm3. e. 3.1 × 10^3 mm3.
The observed relativistic length of a super rocket moving by the observer at 0.57c will be what factor times that of the measured rocket length if it were at rest?
a. 0.82 c. 1.4 b. 0.45 d. 0.71