Two technicians are discussing diodes. Technician A states that a zener diode blocks flow in one direction, but allows flow in the other. Technician B states that LEDs are being used to replace incandescent light bulbs. Which technician is correct?

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Which is the most accurate name for the covalent compound p2o3?