Define vectors.

Define vector. Give the properties of a "Good Vector".

Define negative vectors.

Define the vector product of two vectors vec a and vec b . If vec a = 2 hat i- hat j+ hat k and vec c= 2 hat i+ 3 hat j , then find (vec a+ vec b)* vec c and vec a* (vec b+ vec c) .

Define electric field at a point. What are its units? Is the scalar or a vector quantity?

Define electric current. What is its S.I. unit? Is it a scalar or a vector quantity? What is the direction of electric current?

What are cloning vectors ? Name any two cloning vectors.Describe the features required to facilitate cloning into vector.