A.
B.
C.
D.

A.2,8cm
B.1,9cm.
C.1,3cm.
D.2,4cm.

A.\(\frac{1}{{10}}s\)
B.\(\frac{1}{6}s\)
C.\(\frac{1}{5}s\)
D.\(\frac{1}{{30}}s\)

A.\(\frac{{19}}{4}.\)
B.\(\frac{{51}}{3}.\)
C.\(\frac{4}{{19}}.\)
D.\(\frac{3}{{51}}.\)

A.\(1,06{\rm{s}}.\)
B.\(2,96{\rm{s}}.\)
C.\(2,25{\rm{s}}.\)  
D.\(1,75{\rm{s}}.\)

A.2
B.4
C.5
D.3

A.\(0,{5.10^{ - 6}}s\)
B.\({10^{ - 6}}s.\)
C.\({2.10^{ - 6}}s.\)
D.\(0,{25.10^{ - 6}}s.\)

A.6 cm.
B.12 cm.
C.15 cm.
D.9 cm.

A.\(\delta  = 0,96\% \)   
B.\(\delta  = 7,63\% \)
C.\(\delta  = 5,83\% \)  
D.\(\delta  = 7,875\% \)

A.\(\frac{9}{5}.\)
B.\(3.\)  
C.\(\frac{9}{7}.\)  
D.\(\frac{3}{2}.\)