Measurements and Instrumentation - Engineering

Q1:

Assertion (A): In hot wire instrument the material of hot wire in generally platinum iridium. Reason (R): A hot wire ammeter is suitable for ac only

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

ANS:C - A is true R is false

Hot wire instruments are suitable for both ac and dc.