9.

What resonant circuit has maximum current and minimum reactance?

a.

Inductive.

b.

Capacitive.

c.

Series.

d.

Parallel.

10.

What is the Q of a series resonant circuit that contains 400 of inductive reactance and 5 of resistance?

a.

160.

b.

80.

c.

40.

d.

20.

11.

What is the characteristic of a parallel LC resonant circuit?

a.

Current is maximum.

b.

Impedance is maximum.

c.

Voltage drop is minimum.

d.

Impedance is minimum.

12.

What characteristic applies for both series and parallel resonant circuits having the same size components?

a.

Equation for resonant frequency.

b.

Equation for resonant reactancies.

c.

Current at resonance.

d.

13.

How can the time constant be increased? See figure 1-29.

a.

Decrease R.

b.

Decrease C.

c.

Increase E.

d.

Increase R or C.

14.

What is the current value, in milliamperes, 1,200 sec after switch S is closed if Eb equals 100 V? See figure

1-29.

a.

62.6.

b.

16.8.

c.

1.81.

d.

0.8.

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