Practice test volume 1
Element
Mixture
Electrons
Compound
The energy is shared equaly by all electrons
Orbiting electrons
Valence electrons
K shell electrons
Complete
Unstable
Charged
Stable
Insulators
Conductors
Stable atoms
Semiconductor
Inward
Outward
Inward, then outward
Outward, then inward
Current
Voltage
Negative charge
Electrostatic force
Area, weight, and state of material
Area, temperature, and type of material
Temperature, weight, and state of material
Temperature, type of material, and state of material
40 ohms
20 ohms
10 ohms
0.5 ohms
23 ohms
15 ohms
11 ohms
8 ohms
I3=5 amps and IT= 14 amps
I3= 4 amps and IT= 9 amps
I3= 4 amps and IT= 18 amps
Not enough information to solve
E3= 9 volts and E1= 12 volts
E3=9 volts and E1= 3 volts
E3= 3 volts and E1= 6 volts
E3=3 volts and E1= 9 volts
An open causes resistance to decrease; a short causes resistance to increase
Excessive current flow in an open circuit; no current flow in a shorted component
No current flow in an open circuit; excessive current flow in a shorted component
Minimum voltage development across the open component; maximum voltage development across the shorted component
Magnetism
Reluctance
Direct current
Electromagnetic induction
Current is zero when voltage is zero; voltage is maximum when current is maximum
Current is maximum when voltage is zero; voltage is maximum when current is zero
If current decreases, voltage aids the decrease
If current increases voltage aids the increases
Mutual induction
Magnetic induction
Counter electromotive force
Primary and secondary induction
Field
Primary
Secondary
Stationary
Capacitance increases
Capacitance decreases
Electrons are distorted and scattered
Electrostatic force between the plates decreases
Current leads applied voltage by 90 degrees
Applied voltage leads current by 90 degrees
Has the ability to conduct in one direction and not the other
Has the ability to conduct in all directions when gated or discharged
AC and DC
Pulsating DC
Pure DC
AC
Is a five-terminal device
Is a three-terminal device
Has the ability to conduct in one direction and not the other
Has the ability to conduct in all directions when gated or discharged
Holes
Protons
Neutrons
Electrons
Dielectric region
Depletion region
Depletion field
PN region
1
2
3
4
Not allowing current to flow
Forward biased
Reverse biased
Turned on
4
3
2
1
In parellel to the load
In series with the load
In parellel to the resistor
In series with the resistor
In parellel to the resistor
In series with the load
In parallel to the load
Forward biased
Electronic switch
Voltage regulator
Circuit amplifier
Spike protector
1
2
3
4
Trigger current
Holding current
Variable current
Breakdown current
A PNP transistor can only be used as a regulator
An NPN transistor can only be used as a switch
Direction of current flow
Number of junctions
N-type
P-type
NPN
PNP
Load circuit
Collector
Emitter
Base
Base circuit
Load circuit
Control circuit
Emitter-collector circuit
Resistance decreases and current through the load circuit decreases
Current decreases through the emitter collector (E-C) circuit
Resistance increases and current flow decreases
Current increases through the E-C circuit
Anode, cathode, and gate
Emitter, base 1 and base 2
Emitter collector and base
Common emitter common collector and common base
Base 1 lead
Collector
Emitter
Gate
Intrinsic standoff ratio
Resistance in the circuit
Capacitance in the circuit
Resistance and capacitance in the circuit
2
3
4
5
Load rheostat
No load rheostat
Line drop switch
Voltage adjustment rheostat
(T1) and rectifier (B3)
(T3) and rectifier (B2)
(T2) and rectifier (B1)
(T1) and rectifier (CR26)
S46 open
S48 open
S46 closed
S48 closed
M4 is open
S53 is open
K23 is open
K16 is open
S1 is in the automatic position
R61 is turned fully clockwise
K16 contacts are closing
K23 contacts are open
IDLE
GENERATE
BUILD UP VOLTS
AUTO TEST BANK
S48 open
S46 open
S49 shorted
S22 stuck open
A2
DS50
S55 is closed
S48 is closed
Excitation relay K16
Time delay relay K14
Voltage regulator VR1
Automatic manual switch S1
Voltage rheostat R61
Excitation relay K16
Test bank switch S202
Auto/manual switch S1
J8, terminal D-F
J8, terminal V-X
VR1, terminal C-R
Automatic-manual switch S1
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