If Et = 12 V and It = 3 A, Rt equals?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $9.99Unlock all

Study for the DC Theory LMS Test. Grow your knowledge with flashcards and multiple-choice questions, each detailed with explanations and hints. Ace your exam with confidence!

Multiple Choice

If Et = 12 V and It = 3 A, Rt equals?

Explanation:
Ohm's law ties together voltage, current, and resistance: V = I × R, so R = V / I. With a voltage of 12 V and a current of 3 A, the resistance is 12 / 3 = 4 Ω. Keeping the voltage fixed and changing the current would change the resistance accordingly (e.g., 2 A would give 6 Ω, 4 A would give 3 Ω). So the resistance is 4 Ω.

Ohm's law ties together voltage, current, and resistance: V = I × R, so R = V / I. With a voltage of 12 V and a current of 3 A, the resistance is 12 / 3 = 4 Ω. Keeping the voltage fixed and changing the current would change the resistance accordingly (e.g., 2 A would give 6 Ω, 4 A would give 3 Ω). So the resistance is 4 Ω.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy