Current Electricity Charging Discharging Of Capacitors Question 560
Question: If 2.2kW power is transmitted through a $ 100\Omega $ line at $ 22,000V, $ the power loss in the form of heat will be
[MP PET 2004]
Options:
A) 0.1 W
B) 1 W
C) 10 W
D) 100 W
Show Answer
Answer:
Correct Answer: B
Solution:
$ P=Vi $
Therefore $ i=\frac{2.2\times 10^{3}}{22000}=\frac{1}{10}A $ Now loss of power $ =i^{2}R $
$ ={{( \frac{1}{10} )}^{2}}\times 100 $ = 1 W
BETA
