To cause a current of 10 amperes to flow through 20-ohm resistance, the voltage needed is __________.
Answer(s): D
Ohm's law states that V = IR. V = 10 × 20 = 200.
Silver is a better conductor than copper. But copper is more often used because of __________.
Answer(s): A
Silver is a better conductor, but it's prohibitively expensive.
Electronic circuits that produce high frequency AC are called __________.
Oscillators produce high-frequency AC.
If you plug an appliance designed for AC into a DC power source, the appliance __________.
Answer(s): B
When DC is applied to an AC appliance, the amount of resistance is less, so more current flows through the wire and heat builds up.
What effect does a speaker wire's gauge have on speaker sound quality?
Unless a specific gauge is specified by the speaker manufacturer, you should always choose lower gauges for better sound quality.
Post your Comments and Discuss Test Prep ASVAB Test exam prep with other Community members:
Our website is free, but we have to fight against AI bots and content theft. We're sorry for the inconvenience caused by these security measures. You can access the rest of the ASVAB Test content, but please register or login to continue.