Answer:
Galvanic Cell / Voltaic Cell
There are two types of electrochemical cells: galvanic, also called Voltaic, and electrolytic. Galvanic cells derives its energy from spontaneous redox reactions, while electrolytic cells involve non-spontaneous reactions and thus require an external electron source like a DC battery or an AC power source.
Kinetic and potential energy
It is D, a paint can carried up a ladder.
Answer:
0.1364 $/kWh
Explanation:
Annual expenditure of the family on electricity = $1500
Total energy consumed during the year = 11000 kWh
Kilowatt hour is the unit of energy which is given by the product of the energy in kW and the number of hours that energy has been used.
Unit price of energy = Annual expenditure / Total energy consumed during the year
∴ Unit price of energy is 0.1364 $/kWh
Answer:
D. 10 seconds
Explanation:
All Houston Methodist Hospital buildings employs the use of EPSS(Emergency Power Supply System). This system employs the use of an emergency power generator that turns on to supply emergency power after normal power shuts down within 10 seconds during power outage.
Due to it being used in a hospital the importance of this emergency power system cannot be overemphasized as it is used to provide power supply to hospital equipment such as life support machines etc.