A wire when connected to 
mains supply has power dissipation 
Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is 
Then 
is
Question ID - 150391 | SaraNextGen Top Answer A wire when connected to mains supply has power dissipation Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is Then is
A wire when connected to mains supply has power dissipation Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is Then is
1 Answer
127 votes
Answer Key / Explanation : (4) -
When wire is cut into two equal parts then power dissipated by each part is 
So their parallel combination will dissipate power
Which gives 
127 votes
Answer Link
127