Maximum number of rectangular components are:
A. 1
B. 2
C. 3
D. 4
The rectangular coordinate system is also called:
A. Polar coordinate system
B. Cartesian coordinate system
C. Cylindrical coordinate system
D. Spherical coordinate system
Unit vector n^ is along:
A. X-axis
B. Normal on a surface
C. Y-axis
D. Z-axis
A vector can be multiplied by a number. The number may be:
A. Dimensionless
B. Dimensional scalar
C. Negative
D. All A, B and C are correct
The direction of a vector in space is specified by:
A. One angle
B. Two angle
C. Three angle
D. No angle
Addition of vector obeys:
A. Commutative law
B. Distributive law
C. Associative law
D. All given laws in A, B and C
An inductor may store energy in:
A. Its electric field
B. Its coils
C. Its magnetic field
D. Both electric and magnetic fields
The magnitude of i^. (j^ x k^) is:
A. 0
B. 1
C. -1
D. i^
In which quadrant, the only value of tan will be positive:
A. First
B. Second
C. Third
D. Both 1st and 3rd
The cross product of two vectors is a negative vector when:
A. They are parallel vectors
B. They are anti parallel vectors
C. They are a perpendicular vector
D. They are rotated through 270°
