What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Q: What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

The correct answer is B: 30 ohms. The official 2026-2030 Question Pool answer is B: 30 ohms. This Technician question is synchronized with the current NCVEC release and incorporated errata. Use the exact wording and answer key shown here when preparing for the current exam pool.

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Deep Dive: T5D04

The official 2026-2030 Question Pool answer is B: 30 ohms. This Technician question is synchronized with the current NCVEC release and incorporated errata. Use the exact wording and answer key shown here when preparing for the current exam pool.

Why Other Answers Are Wrong

Option A: This is not the keyed answer in the current official pool. The official keyed answer is B: 30 ohms. Option C: This is not the keyed answer in the current official pool. The official keyed answer is B: 30 ohms. Option D: This is not the keyed answer in the current official pool. The official keyed answer is B: 30 ohms.

Exam Tip

For T5D04, remember the current official key: B - 30 ohms.

Memory Aid

T5D04: B - 30 ohms

Source & Coverage

Question Pool: 2026-2030 Question Pool

Subelement: T5D

Reference: 2026-2030 Question Pool · T5 - Electrical principles

Key Concepts

T5D Technician question pool official answer key

Official Pool Source

Question text and answer key are synchronized with the current NCVEC Technician Class pool and mapped to the T5D topic.