Which of the following is not a strategy to prevent falls?
a. keeping walking surfaces free from moisture and clutter
b. replacing damaged electrical cords
c. installing handrails for stairs
d. keeping a ladder handy for reaching high places

b

Explanation:

why b because damaged electrical cords do not cause one to fall unless they are on the ground but this answer does not state that so thats why its b

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

you can cut your hand off if your not