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   -Which switch in Figure 2-1 could be used to simultaneously open or simultaneously close two circuits? A) graph (a)  B) graph (b)  C) graph (c)  D) graph (d)  E) graph (e) -Which switch in Figure 2-1 could be used to simultaneously open or simultaneously close two circuits?


A) graph (a)
B) graph (b)
C) graph (c)
D) graph (d)
E) graph (e)

Correct Answer

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An insulator is a material with ________.


A) very many free electrons
B) some free electrons
C) very few free electrons
D) all free electrons

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The ohm is the basic unit of resistance.

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If the current in a circuit equals 0 A, it is likely that the ________.


A) voltage is too high
B) circuit has a short
C) resistance is too low
D) circuit is open

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Resistance is the opposition to the flow of current.

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  resistor is color coded ________. A) brown, black, yellow, gold B) brown, black, yellow, silver C) brown, green, black, gold D) black, brown, yellow, silver resistor is color coded ________.


A) brown, black, yellow, gold
B) brown, black, yellow, silver
C) brown, green, black, gold
D) black, brown, yellow, silver

Correct Answer

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Which type of resistor is used for high power applications?


A) wire wound
B) surface mount
C) carbon composition
D) film

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A resistor with yellow, violet, orange and silver bands equals ________.


A) A resistor with yellow, violet, orange and silver bands equals ________. A)    B)    C)    D)
B) A resistor with yellow, violet, orange and silver bands equals ________. A)    B)    C)    D)
C) A resistor with yellow, violet, orange and silver bands equals ________. A)    B)    C)    D)
D) A resistor with yellow, violet, orange and silver bands equals ________. A)    B)    C)    D)

Correct Answer

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The basic difference between a fuse and a circuit breaker is that:


A) a fuse is faster.
B) a circuit breaker is more reliable.
C) a circuit breaker is reusable.
D) a fuse is reusable.

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On a resistor with four bands of color code, the fourth band represents:


A) the multiplier value.
B) the voltage rating.
C) the wattage rating.
D) the tolerance percentage.

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   -Which switch in Figure 2-1 is usually used to control a doorbell? A) graph (a)  B) graph (b)  C) graph (c)  D) graph (d)  E) graph (e) -Which switch in Figure 2-1 is usually used to control a doorbell?


A) graph (a)
B) graph (b)
C) graph (c)
D) graph (d)
E) graph (e)

Correct Answer

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Most DMMs will measure ________ ________ and ________.


A) frequency, voltage, current
B) voltage, current, resistance
C) voltage, frequency, resistance
D) voltage, current, capacitance

Correct Answer

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   -Identify the Rotary switch in Figure 2-1. A) graph (a)  B) graph (b)  C) graph (c)  D) graph (d)  E) graph (e) -Identify the Rotary switch in Figure 2-1.


A) graph (a)
B) graph (b)
C) graph (c)
D) graph (d)
E) graph (e)

Correct Answer

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A conductor is a material that has ________.


A) few free electrons
B) many free electrons
C) a positive charge
D) a structure similar to semiconductors

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The Nickel-Metal Hydride battery is an example of a secondary battery.

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What is the key difference when taking voltage measurements with an analog meter versus a digital meter?


A) where the negative lead is placed
B) proper choice of the scale on the display
C) safety procedure in taking the measurement
D) adjustment of the scale

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   -Identify the DPDT switch in Figure 2-1. A) graph (a)  B) graph (b)  C) graph (c)  D) graph (d)  E) graph (e) -Identify the DPDT switch in Figure 2-1.


A) graph (a)
B) graph (b)
C) graph (c)
D) graph (d)
E) graph (e)

Correct Answer

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   -Identify the Normally Closed Push Button switch in Figure 2-1. A) graph (a)  B) graph (b)  C) graph (c)  D) graph (d)  E) graph (e) -Identify the Normally Closed Push Button switch in Figure 2-1.


A) graph (a)
B) graph (b)
C) graph (c)
D) graph (d)
E) graph (e)

Correct Answer

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Every electrical circuit must contain ________.


A) a source, a load and a path
B) a battery, a path and a switch
C) a source, a load and a resistor
D) a battery, a resistor and a capacitor

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Interpret the following mixed numbers and letters 3M3 on a resistor to the correct resistance of:


A) 330 Kilohms.
B) 33 Kilohms.
C) 3.3 Kilohms.
D) 3300 Kilohms.

Correct Answer

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