Maximum number of components of a vector may be________________?
A. 1
B. 2
C. 3
D. Infinite
Cosθi^ + Sinθj^ is a_________________?
Cosθi^ + Sinθj^ is a_________________?
A. Vector
B. Position Vector
C. Vector in the direction at angle θ with an x-axis
D. The unit vector in the direction at angle θ with an x-axis
Maximum number of rectangular components are_____________?
Maximum number of rectangular components are_____________?
A. 1
B. 2
C. 3
D. 4
The rectangular coordinate system is also called______________?
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______________?
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 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_______________?
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_____________?
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 ________________?
An inductor may store energy in ________________?
A. Its electric field
B. Its coils
C. Its magnetic field
D. Both electric and magnetic fields
Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?
Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?
A. Each increase
B. Each decrease
C. Each remains the same
D. One increases whereas that in the other decreases