Current Electricity Charging Discharging Of Capacitors Question 491
Question: The energy consumed in 1 kilowatt electric heater in 30 seconds will be
Options:
A) $ 6\times 10^{2},J $
B) $ 4.99\times 10^{7},J $
C) $ 9.8\times 10^{6},J $
D) $ 3\times 10^{4},J $
Show Answer
Answer:
Correct Answer: D
Solution:
E = P × t $ =1000,W\times 30sec=3\times 10^{4},J $
BETA
