Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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T5C01 What is the ability to store energy in
an electric field called?
a. | Inductance | c. | Tolerance | b. | Resistance | d. | Capacitance |
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2.
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T5C02 What is the basic unit of
capacitance?
a. | The farad | c. | The
volt | b. | The ohm | d. | The
henry |
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3.
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T5C03 What is the ability to store energy in
a magnetic field called?
a. | Admittance | c. | Resistance | b. | Capacitance | d. | Inductance |
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4.
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T5C04 What is the basic unit of
inductance?
a. | The coulomb | c. | The
henry | b. | The farad | d. | The
ohm |
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5.
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T5C05 What is the unit of
frequency?
a. | Hertz | c. | Farad | b. | Henry | d. | Tesla |
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6.
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T5C06 What does the abbreviation
"RF" refer to?
a. | Radio frequency signals of all
types | c. | The real frequency transmitted as opposed to the
apparent frequency | b. | The resonant
frequency of a tuned circuit | d. | Reflective force in antenna transmission
lines |
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7.
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T5C07 A radio wave is made up of what type of
energy?
a. | Pressure | c. | Gravity | b. | Electromagnetic | d. | Thermal |
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8.
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T5C08 What is the formula used to calculate
electrical power in a DC circuit?
a. | Power (P) equals voltage (E) multiplied by current
(I) | c. | Power (P) equals voltage (E) minus current
(I) | b. | Power (P) equals voltage (E) divided by current
(I) | d. | Power (P) equals voltage (E) plus current
(I) |
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9.
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T5C09 How much power is being used in a
circuit v/hen the applied voltage is 13.8 volts DC and the current is 10 amperes?
a. | 138 watts | c. | 23.8
watts | b. | 0.7 watts | d. | 3.8
watts |
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10.
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T5C10 How much power is being used in a
circuit v/hen the applied voltage is 12 volts DC and the current is 2.5 amperes?
a. | 4.8 watts | c. | 14.5
watts | b. | 30 watts | d. | 0.208
watts |
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11.
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T5C11 How many amperes are flowing in a
circuit when the applied voltage is 12 volts DC and the load is 120 watts?
a. | 0.1 amperes | c. | 12
amperes | b. | 10 amperes | d. | 132
amperes |
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12.
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T5C12 What is impedance?
a. | A measure of the opposition to AC current flow in
a circuit | c. | The Q or Quality Factor of a
component | b. | The inverse of resistance | d. | The power handling
capability of a component |
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13.
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T5C13 What is a unit of
impedance?
a. | Volts | c. | Coulombs | b. | Amperes | d. | Ohms |
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14.
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T5C14 What is the proper abbreviation for
megahertz?
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