Discussion :: Measurements and Instrumentation
-
Assertion (A): A hot wire ammeter has a cramped scale.
Reason (R): The heat is proportional to square of current.
|
A.
Both A and R are true and R is correct explanation of A
|
|
B.
Both A and R are true but R is not correct explanation of A
|
|
C.
A is true R is false
|
|
D.
A is false R is true
|
Whatsapp
Facebook
Answer : Option A
Explanation :
Since heating ∝ I2, scale is cramped.
Be The First To Comment