2.2 KiB
2.2 KiB
T5C – Capacitance and inductance terminology and units; Radio frequency definition and units; Impedance definition and units; Calculating power
- T5C01 (D)
What describes the ability to store energy in an electric field? #card
- A. Inductance
- B. Resistance
- C. Tolerance
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D. Capacitance
- T5C02 (A)
What is the unit of capacitance? #card
- A. The farad
- B. The ohm
- C. The volt
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D. The henry
- T5C03 (D)
What describes the ability to store energy in a magnetic field? #card
- A. Admittance
- B. Capacitance
- C. Resistance
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D. Inductance
- T5C04 (C)
What is the unit of inductance? #card
- A. The coulomb
- B. The farad
- C. The henry
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D. The ohm
- T5C05 (D)
What is the unit of impedance?
- A. The volt
- B. The ampere
- C. The coulomb
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D. The ohm
- T5C06 (A)
What does the abbreviation “RF” mean?
- A. Radio frequency signals of all types
- B. The resonant frequency of a tuned circuit
- C. The real frequency transmitted as opposed to the apparent frequency
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D. Reflective force in antenna transmission lines
- T5C07 (D)
What is the abbreviation for megahertz? #card
- A. MH
- B. mh
- C. Mhz
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D. MHz
- T5C08 (A)
What is the formula used to calculate electrical power (P) in a DC circuit? #card
- A. P = I E
- B. P = E / I
- C. P = E – I
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D. P = I + E
- T5C09 (A)
How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes? #card
- A. 138 watts
- B. 0.7 watts
- C. 23.8 watts
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D. 3.8 watts
- T5C10 (B)
How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes? #card
- A. 4.8 watts
- B. 30 watts
- C. 14.5 watts
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D. 0.208 watts
- T5C11 (B)
How much current is required to deliver 120 watts at a voltage of 12 volts DC? #card
- A. 0.1 amperes
- B. 10 amperes
- C. 12 amperes
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D. 132 amperes
- T5C12 (A)
What is impedance?
- A. The opposition to AC current flow
- B. The inverse of resistance
- C. The Q or Quality Factor of a component
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D. The power handling capability of a component
- T5C13 (D)
What is the abbreviation for kilohertz? #card
- A. KHZ
- B. khz
- C. khZ
- D. kHz