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T5C - Electrical principles

Technician Class

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

12 questions | Updated: Feb 19, 2026

All T0A T0B T0C T1A T1B T1C T1D T1E T1F T2A T2B T2C T3A T3B T3C T4A T4B T5A T5B T5C T5D T6A T6B T6C T6D T7A T7B T7C T7D T8A T8B T8C T8D T9A T9B
T5C01

What describes the ability to store energy in an electric field?
T5C02

What is the unit of capacitance?
T5C03

What describes the ability to store energy in a magnetic field?
T5C04

What is the unit of inductance?
T5C05

What is the unit of impedance?
T5C06

What is the abbreviation for kilohertz?
T5C07

What is the abbreviation for megahertz?
T5C08

What formula is used to calculate electrical power (P) in a DC circuit?
T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?
T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?
T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?
T5C12

What is impedance?