A.definition
B.nationality
C.globalization
D.generation

A.official
B.similar
C.conclusion
D.tradition

A.spirit
B.unity
C.image
D.protect

A.spirit
B.unity
C.image
D.protect

A.\(\omega  = {\omega _0}\sqrt 2 \)
B.\(\omega  = \frac{{{\omega _0}}}{{\sqrt 2 }}\)
C.\(\omega  = 2{\omega _0}\)
D.\(\omega  = {\omega _0}\)

A.184,8 mm2.
B.184,8 cm2.
C.260 cm2.
D.260 mm2.

A.\(50\Omega \)
B.\(20\Omega \)
C.\(40\Omega \)
D.\(30\Omega \)

A.20
B.50
C.30
D.25

A.24 dB.
B.4 dB.
C.6 dB.
D.26 dB.

A.\({v_{3\max }} = 5c{\rm{ }}m/s.\)
B.\({v_{3\max }} = 10cm/s.\)
C.\({v_{3\max }} = 9{\rm{ c}}m/s.\)
D.\({v_{3\max }} = 4{\rm{ c}}m/s.\)