Answer:
a)-True
Hope this helps even tho theres no school right now
Answer:
ik true eedcggftggggfffff
STP stands for standard temperature pressure and NTP stands for normal temperature pressure
Answer: LED have the lowest cost of operation.
Explanation:
If we ignore the initial procurement cost of the items the operational cost of any device consuming electricity is given by

Among the three item's LED consumes the lowest power to give the same level of brightness as compared to the other 2 item's thus LED's shall have the lowest operational cost.
Answer: (a) +/- 7.5° (b) +/- 3.75°
Explanation:
See attachment