A household refrigerator consumes electrical energy at th...
A household refrigerator consumes electrical energy at the rate of 200 W. lf electricity costs 5 k per kWh, calculate the cost of operating the appliance for 30 days.
N7.20
N12.00
N30.00
N33.33
N72.00
Correct answer is A
E = 200 x 30 x 24 Wh = 144000; Wh = 144KWh
Cost 144 x 5k = N7.20
One newton × One meter equals? ...
When left in a freezer, a bottle full of water cracks on freezing into ice because of the ...
The p-n junction diodes can act as rectifiers because they ...
A body accelerates uniformly from rest at \(2ms^{-2}\). Calculate the velocity after traveling 9m...
A member of the crew of a SPACESHIP experiences weightlessness in a space when they ...