MM0704, Lesson 1
16.
Which ratio indicates a long time constant?
a.
b.
c.
d.
17.
What BEST describes the rate at which a capacitor changes its charge?
a.
Maximum during first TC.
b.
Minimum during first TC.
c.
Minimum during third TC.
d.
Maximum during third TC.
18.
How many TCs are required for the current to go from minimum to 99.3 percent of maximum in a series RL
circuit?
a.
3.
b.
4.
c.
5.
d.
10.
19.
It is desired that the current through block 3 be very low at 20 kHz and very high at 30 kHz. What type of
circuits should blocks 1 and 2 contain? See figure 1-31.
a.
One series resonant at 30; 2 series resonant at 20.
b.
One series resonant at 20; 2 series resonant at 30.
c.
One parallel resonant at 20; 2 parallel resonant at 30.
d.
One parallel resonant at 20; 2 series resonant at 30.
Figure 1-31. Resonant Loader.
38