# Chapter 3 : Electromagnetism

1. Scalar or dot product and B indicated by A of two vectors A(Sin 𝛳B) of Where 𝛳. is the angle between the vector A

A. AB tan 𝛳

B. AB cot 𝛳.

C. AB sin 𝛳.

D. AB cos 𝛳.

...
Answer is **(D)**

2. Vector or cross product of two vectors A and B indicated by A X B equals where 𝛳 is the angle between the two vectors A and B

A. AB tan 𝛳

B. AB cot 𝛳.

C. AB sin 𝛳.

D. AB cos 𝛳.

**(D)**

3. Line integral around a closed path is

A. circulation around the path

B. density around the path

C. vector around the path

D. intensity around the path

...
Answer is **(A)**

4. Surface integral of a surface is

A. integral o f surface

B. double integral of surface

C. differential of weight

D. differential of volume

...
Answer is **(B)**

**5. Volume integral of a volume is**

A. triple integral of volume

B. integral of weight is the gradient of V

C. integral of volume

D. double integral of volume

**(A)**

7. Electric flux inside a conducting spere is

A. minimum

B. maximum

C. zero

D. uniform

**... Answer is**

**(C)**

8.. Electric field on equipotential surface is

A. always perpendicular to the surface

B. always parallel to the surface

C. zero

D. infinity

**(A)**

9. Surface integral of the electric intensity is

A. differential of volume fluxB. net flux emanating from the surface

C. electric charge

D. none of these

**... Answer is**

**(A)**

10. Displacement density D and electric field strength E are related by

...
Answer is **(D)**

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