Login or Register for FREE!
Login or Register for FREE!
Subel. T5
12 questions
Subelement T5

ELECTRICAL PRINCIPLES

Section T5C

Capacitance and inductance terminology and units; Radio frequency definition and units; Impedance definition and units; Calculating power

What describes the ability to store energy in an electric field?

  • Inductance
  • Resistance
  • Frequency
  • Correct Answer
    Capacitance
This question does not yet have an explanation! Register to add one

Tags: none

What is the unit of capacitance?

  • Correct Answer
    Farad
  • Ohm
  • Volt
  • Henry
This question does not yet have an explanation! Register to add one

Tags: none

What describes the ability to store energy in a magnetic field?

  • Admittance
  • Capacitance
  • Resistance
  • Correct Answer
    Inductance
This question does not yet have an explanation! Register to add one

Tags: none

What is the unit of inductance?

  • Coulomb
  • Farad
  • Correct Answer
    Henry
  • Ohm
This question does not yet have an explanation! Register to add one

Tags: none

What is the unit of impedance?

  • Volt
  • Ampere
  • Coulomb
  • Correct Answer
    Ohm
This question does not yet have an explanation! Register to add one

Tags: none

What is the abbreviation for kilohertz?

  • Correct Answer
    kHz
  • khz
  • KHz
  • KHZ
This question does not yet have an explanation! Register to add one

Tags: none

What is the abbreviation for megahertz?

  • mHz
  • mHZ
  • Mhz
  • Correct Answer
    MHz
This question does not yet have an explanation! Register to add one

Tags: none

What formula is used to calculate electrical power (P) in a DC circuit?

  • Correct Answer
    P = I x E
  • P = E / I
  • P = I² x E
  • P = I / E
This question does not yet have an explanation! Register to add one

Tags: none

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

  • Correct Answer
    138 watts
  • 0.7 watts
  • 23.8 watts
  • 3.8 watts
This question does not yet have an explanation! Register to add one

Tags: none

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

  • 4.8 watts
  • Correct Answer
    30 watts
  • 14.5 watts
  • 0.208 watts
This question does not yet have an explanation! Register to add one

Tags: none

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

  • 0.1 amperes
  • Correct Answer
    10 amperes
  • 12 amperes
  • 132 amperes
This question does not yet have an explanation! Register to add one

Tags: none

What is impedance?

  • Correct Answer
    The opposition to AC current flow
  • The inverse of resistance
  • The inverse of reactance
  • The power handling capability of a component
This question does not yet have an explanation! Register to add one

Tags: none

Go to T5B Go to T5D
HamStudy.org™ is copyright 2026 Signal Stuff™, All rights reserved.
View Privacy Policy    |    Get help with HamStudy.org™