If the current i through a registor is increased by 100%(assume that temperature remian unchared ) the 1 crease
Answers
Answered by
1
Explanation:
answr
search
What would you like to ask?
12th
Physics
Current Electricity
Electric Energy and Power
If the current I through a ...
PHYSICS
If the current I through a resistor is increased by 100% (assume that temperature remains unchanged), the increase in power dissipated will be
MEDIUM
Share
Study later
ANSWER
Let the original value of current is I ampere.
The new value of current I
′
=I+100%I=2I.
Now, the new power P
′
=I
′
2
R=4I
.
R=4P.
So, the change in power = P
′
−P=3P
Therefore, the change in power in terms of percentage is 300%.
Hence, the increase in power dissipated will be 300%.
Similar questions