Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Two identical plates of metal are welded end to end as shown in figure.(A); 20 cal of heat flows through it in 4 minute.If the plates are welded as shown in figure (B) , the same amount of heat will flow through the plates in - Sarthaks eConnect

Two identical plates of metal are welded end to end as shown in figure.(A); 20 cal of heat flows through it in 4 minute.If the plates are welded as shown in figure (B) , the same amount of heat will flow through the plates in:

Two identical plates of metal are welded end to end as shown in figure.(A); 20 cal of heat flows through it in 4 minute.If the plates are welded as shown in figure (B) , the same amount of heat will flow through the plates in:

A.

1 minute

B.

2 minute

C.

4 minute

D.

16 minute