Bohr's Atomic Model consists of what three components?
A.
Neutrons, ion, neutrinos
B.
Protons, neutrons and cations
C.
Tachyons gravitons and electrons
D.
Protons, neutrons and electrons
Give this one a try later!
D.
Protons, neutrons and electrons
To overcome noise, distortion and cost of maintenance in frequency division multiple
systems, ________ systems were developed.
,A.
time-division multiplex
B.
phase-time division
C.
code division multiple access
D.
quadrature amplitude modulation
Give this one a try later!
A.
time-division multiplex
What formula is used to calculate output voltage of a Difference operational
amplifier?
A.
Vout = (Rf/Rin)(V2 - V1)
B.
Vout = (Rf/Rin)+(V2 - V1)
C.
Vout = (Rf/Rin)(V2 - RF)
D.
Vout = (Rf*Rin)(V1 - RF)
Give this one a try later!
A.
Vout = (Rf/Rin)(V2 - V1)
What does LEC stand for?
A.
Local exchange carrier
,B.
Local essential channel
C.
Local effective communication
D.
Local exchange circuit
Give this one a try later!
A.
Local exchange carrier
Current in a parallel circuit is:
A.
equally divided among each branch.
B.
inversely proportional to the circuits resistance.
C.
equal to the sum of the branch resistances.
D.
equal to the voltage source, minus the branch resistances.
Give this one a try later!
B.
inversely proportional to the circuits resistance.
A coaxial cable's velocity of propagation factor depends on what two factors?
A.
Dielectric constant and permeability
B.
Radio frequency interference and permeability
C.
, Common mode current reflection and permeability
D.
Trans-induction and dielectric constant
Give this one a try later!
A.
Dielectric constant and permeability
The formula to calculate dBm from mW is:
A.
10 log10( P / 1mW)
B.
20 log10( P / 1mW)
C.
10 log10( P / .5mW)
D.
10 log10( P^mW)
Give this one a try later!
A.
10 log10( P / 1mW)
A vertically polarized antenna has a magnetic field that is at a _____ angle to the axis of
the antenna.
A.
22.5 degree
B.
90 degree
C.
45 degree
A.
Neutrons, ion, neutrinos
B.
Protons, neutrons and cations
C.
Tachyons gravitons and electrons
D.
Protons, neutrons and electrons
Give this one a try later!
D.
Protons, neutrons and electrons
To overcome noise, distortion and cost of maintenance in frequency division multiple
systems, ________ systems were developed.
,A.
time-division multiplex
B.
phase-time division
C.
code division multiple access
D.
quadrature amplitude modulation
Give this one a try later!
A.
time-division multiplex
What formula is used to calculate output voltage of a Difference operational
amplifier?
A.
Vout = (Rf/Rin)(V2 - V1)
B.
Vout = (Rf/Rin)+(V2 - V1)
C.
Vout = (Rf/Rin)(V2 - RF)
D.
Vout = (Rf*Rin)(V1 - RF)
Give this one a try later!
A.
Vout = (Rf/Rin)(V2 - V1)
What does LEC stand for?
A.
Local exchange carrier
,B.
Local essential channel
C.
Local effective communication
D.
Local exchange circuit
Give this one a try later!
A.
Local exchange carrier
Current in a parallel circuit is:
A.
equally divided among each branch.
B.
inversely proportional to the circuits resistance.
C.
equal to the sum of the branch resistances.
D.
equal to the voltage source, minus the branch resistances.
Give this one a try later!
B.
inversely proportional to the circuits resistance.
A coaxial cable's velocity of propagation factor depends on what two factors?
A.
Dielectric constant and permeability
B.
Radio frequency interference and permeability
C.
, Common mode current reflection and permeability
D.
Trans-induction and dielectric constant
Give this one a try later!
A.
Dielectric constant and permeability
The formula to calculate dBm from mW is:
A.
10 log10( P / 1mW)
B.
20 log10( P / 1mW)
C.
10 log10( P / .5mW)
D.
10 log10( P^mW)
Give this one a try later!
A.
10 log10( P / 1mW)
A vertically polarized antenna has a magnetic field that is at a _____ angle to the axis of
the antenna.
A.
22.5 degree
B.
90 degree
C.
45 degree
