The grid in a triode is kept negatively charged to prevent… a. the variations in voltage from getting too large. b. the electrons from being attracted to the grid instead of the anode. c. electrons being repelled back to the cathode. d. electrons from escaping from the tube containing the triode.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.