Qualcomm Electromagnetic Field Theory Quiz-1

Question 1

Time: 00:00:00
The divergence of a vector is a scalar. State True/False.

True

True

False

False

Cant say

Cant say

None of these

None of these

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Question 2

Time: 00:00:00
The divergence concept can be illustrated using Pascal’s law. State True/False.

True

True

False

False

Cant say

Cant say

None of these

None of these

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Question 3

Time: 00:00:00
Compute the divergence of the vector xi + yj + zk

1

1

2

2

3

3

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Question 4

Time: 00:00:00
Find the divergence of the vector yi + zj + xk.

-1

-1

1

1

2

2

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Question 5

Time: 00:00:00
Given D = e-xsin y i – e-xcos y j
Find divergence of D.

3

3

2

2

1

1

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0

Question 6

Time: 00:00:00
Find the divergence of the vector F= xe-x i + y j – xz k

(1 – x)(1 + e-x)

(1 – x)(1 + e-x)

(x – 1)(1 + e-x)

(x – 1)(1 + e-x)

(1 – x)(1 – e)

(1 – x)(1 – e)

(x – 1)(1 – e)

(x – 1)(1 – e)

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Question 7

Time: 00:00:00
Determine the divergence of F = 30 i + 2xy j + 5xz2 k at (1,1,-0.2) and state the nature of the field

1, solenoidal

1, solenoidal

0, solenoidal

0, solenoidal

1, divergent

1, divergent

0, divergent

0, divergent

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Question 8

Time: 00:00:00
Find whether the vector is solenoidal, E = yz i + xz j + xy k

Yes, solenoidal

Yes, solenoidal

No, non-solenoidal

No, non-solenoidal

Solenoidal with negative divergence

Solenoidal with negative divergence

Variable divergence

Variable divergence

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Question 9

Time: 00:00:00
. Find the divergence of the field, P = x2yz i + xz k

xyz + 2x

xyz + 2x

2xyz + x

2xyz + x

Cant say

Cant say

None of these

None of these

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Question 10

Time: 00:00:00
Identify the nature of the field, if the divergence is zero and curl is also zero.

Solenoidal, irrotational

Solenoidal, irrotational

Divergent, rotational

Divergent, rotational

Divergent, rotational

Divergent, rotational

Solenoidal, rotational

Solenoidal, rotational

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