Exam (elaborations)
AT&T TKT II EXAM Q’S AND A’S
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AT&T TKT II EXAM Q’S AND A’S
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AT&T TKT II EXAM Q’S AND A’SAmperes - -The rate of electron flow, the unit for measuring electrical
current; the abbreviation is amp.
- decreases - -When the frequency of the applied voltage increases
capacitive reactance increases, decreases, or remains the same.
- 6.5 k - -Convert 6500 ohms to K ohms
- .033 - -Convert 33 mili amps to amps
- True/apparent - -In an AC current, if the power factor = .5, then the
________ power is 1/2 the __________ power
- less than 90 degrees - -In the RCL circuit, the phase difference between
voltage and current is ____________
- .14 KV - -If an electrical door bell has a resistance of 70 ohms and requires
a current of 2 amps, the voltage necessary to operate the bell is________
- electromotive force (emf) - -A volt is a measure of this
- Inductive reactance increases - -When the applied frequency is increased
in a circuit containing an inductor and a capacitor
- 2 x 10-4 Farads - -200 micro farads is the same as
- Coulomb - -Base unit of charge
- 3.18 K ohms - -The reactance of a capacitor of .005 fd, at a frequecy of
1000 Hz will be________
- Positive - -electrons will always move toward the more__________charge
- Current - -Inductance if that quality of a circuit that opposes any changes
in _____________
- Voltage - -A capacitor apposes any change in __________
- 140 micro henries - -Two inductance coils of 60 and 80 micro henries are
connected in series, but without any mutual coupling. The total inductance
would be_________
, - 3 ohms - -Resistors of 10, 15, and 6 ohms are connected in parallel. The
total resistance is_________
- Lead the current by 90 degrees - -The AC voltage across a pure
inductance is said to_______
- Germamium and Silicon - -The two materials most commonly used in the
manufacture of transistors are_______
- 25 ohms - -A parallel circuit of 4 branch's has a 100 ohm resistor in each
branch. The total resistance would be_________
- .000001 h - -1 micro Henry is__________
- The total opposition to current flow - -The impedance of an AC circuit is
equal to
- Alternating Current (AC) - -A flow of electric charge that regularly reverses
its direction.
- 1450 ohms - -A series circuit contains a pure inductance with a reactance
of 200 ohms, a resister of 1 k ohm, and a capacitor with a reactance of 250
ohms. The total impedance will be________
- length, thickness, and temperature - -The DC resistance of a conductor is
determined by_______
- 1/2 - -If the space between the plates capacitor is doubled, the capacity
will be________
- The voltage is the same for all branches - -The Parallel circuit.
- Residual magnetism - -The amount of magnetism left in an electromagnet
after current been removed
- A secondary cell can be charged, A primary cell can not be recharged - -A
primary cell differs for a secondary cell
- Increase - -Has the current passing through a conductor increases, the
magnetic flux surrounding the wire will _________
- 120 volt exits on across all resistors - -If 3 unequal resistors are connected
in parallel across a 120 volt line
- A variable flux in 1 coil cutting across anther coil - -Mutual inductance in a
coil is caused by
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