According to Ohm's Law, if voltage is 12V and resistance is 4 ohms, what is the current?

3 amperes. Ohm's Law states I = V/R, so 12V ÷ 4Ω = 3A.

What is the formula for calculating electrical power in a circuit?

P = V × I (Power equals voltage multiplied by current), measured in watts.

A circuit has a current of 2A and a resistance of 6 ohms. What is the voltage?

12 volts. Using Ohm's Law, V = I × R, so 2A × 6Ω = 12V.

If a 60-watt light bulb operates at 120 volts, how much current does it draw?

0.5 amperes. Using P = V × I, I = P/V = 60W ÷ 120V = 0.5A.

What happens to current in a circuit if resistance is doubled while voltage stays the same?

Current is cut in half. Since I = V/R, doubling R causes I to decrease proportionally.

← ASVAB Military Entrance Exam Study Materials

ASVAB Electronics Information

Master the Electronics Information section of the ASVAB with these 25 targeted flashcards. Covering circuits, components, Ohm's Law, and electrical principles, this deck prepares you for the exact concepts tested on the military entrance exam. Ideal for recruits seeking to qualify for technical military occupational specialties.

25 cards Intermediate Ohm's Law & Power Circuit Types Electronic Components Electrical Measurements & Units Electrical Safety & Practical Concepts

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This deck is part of the ASVAB Military Entrance Exam Unlock — $39.99 for all 7 decks

This deck is included in the ASVAB Military Entrance Exam Unlock

7 total decks, practice tests, study guides & more

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