ELEMENT 2 - TECHNICIAN CLASS
Question Pool
SUBELEMENT T6 -- CIRCUIT COMPONENTS [2 Exam Questions -- 2 Groups] T6A Electrical function and/or schematic representation of resistor, switch, fuse, or battery; resistor construction types T6A01 (C)What does a variable resistor or potentiometer do? A. Its resistance changes when AC is applied to it
B. It transforms a variable voltage into a constant voltage C. Its resistance changes when its slide or contact is moved D. Its resistance changes when it is heated
T6A02 (A) Which symbol of Figure T6-1 represents a fixed resistor? A. Symbol 2 B. Symbol 3
C. Symbol 4
D. Symbol 5 T6A03 (D)
Why would you use a double-pole, single-throw switch? A. To switch one input to one output
B. To switch one input to either of two outputs
C. To switch two inputs at the same time, one input to either of two outputs, and the other input to either of two outputs D. To switch two inputs at the same time, one input to one output, and the other input to the other output
T6A04 (A) In Figure N6-2, which symbol represents a single-pole, single-throw switch? A. Symbol 1 B. Symbol 2
C. Symbol 3
D. Symbol 4 T6A05 (D)
Why would you use a fuse? A. To create a short circuit when there is too much current in a circuit
B. To change direct current into alternating current
C. To change alternating current into direct current D. To create an open circuit when there is too much current in a circuit
T6A06 (A) In Figure N6-1, which symbol represents a fuse? A. Symbol 1 B. Symbol 3
C. Symbol 5
D. Symbol 7 T6A07 (A)
Which of these components has a positive and a negative side? A. A battery B. A potentiometer
C. A fuse
D. A resistor T6A08 (D)
In Figure N6-1, which symbol represents a single-cell battery? A. Symbol 7
B. Symbol 5
C. Symbol 1 D. Symbol 4 T6A09 (C)
Why would a large size resistor be used instead of a smaller one of the same resistance value? A. For better response time
B. For a higher current gain C. For greater power dissipation D. For less impedance in the circuit T6A10 (A)
What do the first three color bands on a resistor indicate? A. The value of the resistor in ohms B. The resistance tolerance in percent
C. The power rating in watts
D. The resistance material T6A11 (A)
Which tolerance rating would indicate a high-precision resistor? A. 0.1% B. 5%
C. 10%
D. 20% T6B Electrical function and/or schematic representation of a ground, antenna, inductor, capacitor, transistor, integrated circuit; construction of variable and fixed inductors and capacitors; factors affecting inductance and capacitance T6B01 (A)
Which component can amplify a small signal using low voltages? A. A PNP transistor B. A variable resistor
C. An electrolytic capacitor
D. A multiple-cell battery T6B02 (A)
Which component is used to radiate radio energy? A. An antenna B. An earth ground
C. A chassis ground
D. A potentiometer
T6B03 (D) In Figure N6-1, which symbol represents an earth ground? A. Symbol 2
B. Symbol 5
C. Symbol 6 D. Symbol 8 T6B04 (D)
In Figure N6-1, which symbol represents an antenna? A. Symbol 2
B. Symbol 3
C. Symbol 6 D. Symbol 7
T6B05 (D) In Figure N6-3, which symbol represents an NPN transistor? A. Symbol 1
B. Symbol 2
C. Symbol 3 D. Symbol 4
T6B06 (A) Which symbol of Figure T6-2 represents a fixed-value capacitor? A. Symbol 1 B. Symbol 2
C. Symbol 3
D. Symbol 4 T6B07 (C)
In Figure T6-2, which symbol represents a variable capacitor? A. Symbol 1
B. Symbol 2 C. Symbol 3 D. Symbol 4 T6B08 (C)
What does an inductor do? A. It stores energy electrostatically and opposes a change in voltage
B. It stores energy electrochemically and opposes a change in current C. It stores energy electromagnetically and opposes a change in current D. It stores energy electromechanically and opposes a change in voltage T6B09 (A)
As an iron core is inserted in a coil, what happens to the coil’s inductance? A. It increases B. It decreases
C. It stays the same
D. It disappears T6B10 (B)
What does a capacitor do? A. It stores energy electrochemically and opposes a change in current B. It stores energy electrostatically and opposes a change in voltage C. It stores energy electromagnetically and opposes a change in current
D. It stores energy electromechanically and opposes a change in voltage T6B11 (A)
What determines the capacitance of a capacitor? A. The material between the plates, the area of one side of one plate, the number of plates and the spacing between the plates B. The material between the plates, the number of plates and the size of the wires connected to the plates
C. The number of plates, the spacing between the plates and whether the dielectric material is N type or P type
D. The material between the plates, the area of one plate, the number of plates and the material used for the protective coating