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EMF Internal Retest_II ECE_2020-2021

Authored by D.BASKAR ECE

Professional Development

Professional Development

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EMF Internal Retest_II ECE_2020-2021
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following are not vector functions in Electromagnetics?

a) Gradient

b) Divergence

c) Curl

d) There is no non- vector functions in Electromagnetics

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A vector is said to be solenoidal when its

a) Divergence is zero

b) Divergence is unity

c) Curl is zero

d) Curl is unity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the Cartesian coordinates of B(4,25⁰,120⁰)

a) (0.845, 1.462, 3.625)

b) (-0.845, 1.462, 3.625)

c) (-8.45, 2.462, 6.325)

d) (8.45, 2.462, 6.325)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using volume integral, which quantity can be calculated?

a) area of cube

b) area of cuboid

c) volume of cube

d) distance of vector

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (×F)\nabla\cdot\left(\nabla\times\overrightarrow{F}\right)  
What will this operation result in?

Scalar function

Vector function

Undefined

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The coordinate (0,0) is also known as the ___.

y-axis
x-axis
origin

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you write a pair of coordinates?

(X,X)

(Y,X)

(X,Y)

(Y,Y)

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