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Electrical Principles

Ohm’s law, circuits, components, resonance, filters, receiver performance, test gear, electronics, and practical exam math.

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Representative Questions

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T5D03

What formula is used to calculate resistance in a circuit?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T6A01

What electrical component opposes the flow of current in a DC circuit?

T6A · 2026-2030 Question Pool · T6 - Electrical components
T6D11

Which of the following is a resonant or tuned circuit?

T6D · 2026-2030 Question Pool · T6 - Electrical components
T7D07

Which of the following measurements are made using a multimeter?

T7D · 2026-2030 Question Pool · T7 - Practical circuits
G5A08

What is impedance?

G5A · 2023-2027 Question Pool · G5 - Electrical Principles
T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

T5D · 2026-2030 Question Pool · T5 - Electrical principles
T6D04

Which of the following displays an electrical quantity as a numeric value?

T6D · 2026-2030 Question Pool · T6 - Electrical components
T7D04

Which instrument is used to measure electric current?

T7D · 2026-2030 Question Pool · T7 - Practical circuits
E5A01

What can cause the voltage across reactances in a series RLC circuit to be higher than the voltage applied to the entire circuit?

E5A · 2024-2028 Question Pool · E5 - Electrical Principles
E5A08

What is the phase relationship between the current through and the voltage across a series resonant circuit at resonance?

E5A · 2024-2028 Question Pool · E5 - Electrical Principles
E5A09

How is the Q of an RLC parallel resonant circuit calculated?

E5A · 2024-2028 Question Pool · E5 - Electrical Principles
E5D07

What combines to create the self-resonance of a component?

E5D · 2024-2028 Question Pool · E5 - Electrical Principles