Answer:
The answer is D.
Explanation:
Just took the quiz. Not sure if u still need help
Power = current x voltage
So the power is 7 x 110 = 770 W = 0.77kW
0.77 x 13 = 10.01 kWh
10.01 x 10 cents = 100.1 cents (is this 1 dollar? Idk I use a different currency)
Answer:
An Object is positively charged if it has more Positive Electrons in that object
Surface wave is the correct option !
all other are electromagnetic wave and can be transmitted without medium !!