EEE :: Energy and Power
-
A 33 half-watt resistor and a 330 half-watt resistor are connected across a 12 V source. Which one(s) will overheat?
-
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is
-
A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume?
-
A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is
-
A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is
-
A 15 V source is connected across a 12 resistor. How much energy is used in three minutes?
-
At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?
-
A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least