There are conditions where arcing in an electrical circuit is normal, such as ____.

a. arcs caused by brushless motors
b. turning a light switch on or off
c. changing a light bulb without the power turned on
d. plugging in an appliance that is off


b. turning a light switch on or off

Trades & Technology

You might also like to view...

Which crane base components generally eliminate operational quadrant restrictions?

a. Crawlers b. Ring attachments c. Outriggers/ stabilizers d. Rubber tires

Trades & Technology

The force(s) required to maintain circular motion are called which of the following?

A. Centrifugal B. Centripetal C. Both A and B D. Neither A nor B

Trades & Technology

A soil where the peds are hard to distinguish and only a few can be separated in moist soil would have which type of classification?

a. Strong structure c. Amplified structure b. Moderate structure d. Weak structure

Trades & Technology

What is the output voltage for every degree Centigrade?

A) 10 mV B) 6 mV C) 5 mV D) 5 V

Trades & Technology