Question

Kronecker delta is defined by

• A. δ_nk = 2, n = k and δ_nk = 2, n ≠ k
• B. δ_nk = 3, n = k and δ_nk = 3, n ≠ k
• C. δ_nk = 1, n = k and δ_nk = 0, n ≠ k
• D. δ_nk = 0, n = k and δ_nk = 1, n ≠ k

Answer 1

The Correct Option is C

The correct option is(C):δ_nk = 1, n = k and δ_nk = 0, n ≠ k.