TOPIC :THERMAL AND CHEMICAL EFFECT OF CURRENT
Number of questions are 188, Select_Question:

QUESTION
Q1) If 2.5kW power is transmitted through a 10Ω line at 22000Volt, the power loss in the form of heat will be [ AFMC 1998]




SOLUTION

Power=VI
2200=22000 ×I
I=0.1 A
Power loss as heat=I 2R
Power loss's as heat=(0.1) 2 ×10=0.1 W

Answer: (c)