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Linnea Asked :

28-05-2021 Gradient

Q. Curl of gradient of a vector is

A. Unity
B. Zero
C. Null vector
D. Depends on the constants of the vector

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Dapzoi Verified
Commented on 2021-05-28 15:54:54 (IST)
Answer: C

Explanation: Gradient of any function leads to a vector. Similarly curl of that vector gives another vector, which is always zero for all constants of the vector. A zero value in vector is always termed as null vector(not simply a zero).