Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 988 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.

951.

The factors that must be considered while designing the pricing strategies are

A. price of competitors
B. strategies of competitors
C. marketing strategy
D. all of above
Answer» E.
952.

The circumradius of the triangle formed by the straight line 3x + 4y = 12 and the coordinate axes is

A. 05-02-2015 12:00:00 AM
B. 03-02-2015 12:00:00 AM
C. 2
D. 6
Answer» B. 03-02-2015 12:00:00 AM
953.

Out of 6 numbers, average of the first five numbers is 20 and average of last five numbers is 24. If the last number is 36 then the first number is -

A. 20
B. 16
C. 26
D. 56
Answer» C. 26
954.

What is the use of a pipe?

A. UNIX is an open source and free software
B. Several functions can be combined in a single statement.
C. Both a and c
D. Stream input to output.
Answer» D. Stream input to output.
955.

At the midpoint of a temperature transition curve,

A. Keq = 1.0 and ΔG = 0
B. half of the protein is denatured
C. All of these
D. [Native] = [Unfolded]
Answer» D. [Native] = [Unfolded]
956.

3/4th of 2/9th of 1/5th of a number is 249.6. What is 50% of the number?

A. 3794
B. 3749
C. 3734
D. None of these
Answer» E.
957.

X can complete a piece of work in 30 hrs and Y can do it in 24 hrs. In how many hours will it be completed if they work together?

A. 13.33 hrs
B. 14.33 hrs
C. 15.33 hrs
D. 16.33 hrs
Answer» B. 14.33 hrs
958.

19.5% of 524 = ?

A. 120.18
B. 102.18
C. 122.81
D. 112.81
Answer» B. 102.18
959.

Using CHMOD if we want to give ALL permissions to a user, which mode is used?

A. 777
B. 666
C. 667
D. 776
Answer» B. 666
960.

The NEWEST antidepressant is -

A. Buspirone
B. Fluoxetine
C. Penfluridol
D. Clozapine
Answer» C. Penfluridol
961.

The products can be differentiated on the basis of

A. conformance and performance quality
B. durability and style
C. reliability and repair-ability
D. all of above
Answer» E.
962.

The concept which states all the activities done to make the product operational on planned location is classified as

A. product uncontrollable return
B. product controllable return
C. installation
D. product maintenance
Answer» D. product maintenance
963.

Arijit covered a distance of 108 km in three hours slower than he had planned. This occurred since he covered the distance, he originally intended to cover in 1 hr 30 minutes. What was his original planned speed?

A. 12 km/hr
B. 15 km/hr
C. 16 km/hr
D. 18 km/hr
Answer» E.
964.

7413, 7422, 7440, ?, 7503, 7548

A. 7464
B. 7456
C. 7467
D. 7466
Answer» D. 7466
965.

A dishonest dealer professes to sell his goods at cost price but uses a false weight of 800 gm instead of 1 kg. His profit percent is -

A. 15
B. 20
C. 25
D. 30
Answer» D. 30
966.

The pricing strategy in which prices are based on cost of distribution and production plus fair return rate is classified as

A. cost based pricing
B. differentiated pricing
C. competitive pricing
D. value added pricing
Answer» B. differentiated pricing
967.

The company will face low sales and low markups if company set its prices

A. too high
B. too low
C. too discounted
D. none of the above
Answer» B. too low
968.

Generators at a power station produce electric power at voltage

A. 50 kW
B. 45 kW
C. 25 kW
D. 60 kW
Answer» D. 60 kW
969.

On mixing two classes A and B of students having average marks 25 and 40 respectively, the overall average obtained is 30. Find the ratio of the students in the classes A and B.

A. 0.0840277777777778
B. 0.213888888888889
C. 0.2125
D. 0.127777777777778
Answer» B. 0.213888888888889
970.

A person who pays income tax at the rate of 4 paise per rupee, finds that a fall of interest rate from 4% to 3.75% diminishes his net yearly income by Rs. 48. What is his capital?

A. Rs. 24,000
B. Rs. 25,000
C. Rs. 20,000
D. Rs. 18,000
Answer» D. Rs. 18,000
971.

Drug of choice for obsessive compulsive neurosis is -

A. Fluoxetine
B. Clomipramine
C. Imipramine
D. CPZ
Answer» C. Imipramine
972.

General Adaptation Syndrome (GAS) is seen in:

A. Anxiety
B. Stressful situations
C. Panic Attacks
D. Depression
Answer» C. Panic Attacks
973.

The new product pricing strategy through which company makes more profitable sales by selling out fewer units is classified as

A. optional product pricing
B. price skimming
C. price penetration
D. product line pricing
Answer» C. price penetration
974.

The totality of all the features that how the product functions, looks and feels is classified as

A. differential returns
B. uncontrollable returns
C. controllable returns
D. design
Answer» E.
975.

√? - 11 = √1521

A. √2500
B. √20
C. 50
D. (28)²
Answer» D. (28)²
976.

If a polynomial ƒ(x) is divided by a linear divisor ax + 1, the remainder is

A. ƒ( 1⁄a )
B. ƒ(-a)
C. ƒ(a)
D. ƒ( - 1⁄a )
Answer» E.
977.

\"At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero\". This follows from the

A. second law of thermodynamics
B. third law of thermodynamics
C. Maxwell's relations
D. Nernst heat theorem
Answer» C. Maxwell's relations
978.

THE_RADIATION_RESISTANCE_OF_AN_ANTENNA_HAVING_A_POWER_OF_120_UNITS_AND_ANTENNA_CURRENT_OF_5A_IS?$

A. 4.8
B. 9.6
C. 3.6
D. 1.8
Answer» B. 9.6
979.

The return loss is given as 12 decibel. Calculate the reflection coefficient.$

A. 0.35
B. 0.55
C. 0.25
D. 0.75
Answer» D. 0.75
980.

The_transmission_coefficient_is_given_by_0.65._Find_the_return_loss_of_the_wave.$

A. 9.11
B. 1.99
C. 1.19
D. 9.91
Answer» B. 1.99
981.

Find the transmission coefficient of a wave, when the return loss is 6 decibel.

A. 0.498
B. 0.501
C. 0.35
D. 0.65
Answer» B. 0.501
982.

The reflection coefficient is 0.5. Find the return loss?

A. 12.12
B. -12.12
C. 6.02
D. -6.02
Answer» D. -6.02
983.

The attenuation is given by 20 units. Find the power loss in decibels.

A. 13.01
B. 26.02
C. 52.04
D. 104.08
Answer» B. 26.02
984.

The current reflection coefficient is given by -0.75. Find the voltage reflection coefficient.

A. -0.75
B. 0.25
C. -0.25
D. 0.75
Answer» E.
985.

The incident and the reflected voltage are given by 15 and 5 respectively. The transmission coefficient is

A. 1/3
B. 2/3
C. 1
D. 3
Answer» C. 1
986.

The power reflected by a wave with incident power of 16 units is(Given that the reflection coefficient is 0.5)

A. 2
B. 8
C. 6
D. 4
Answer» E.
987.

The power of a wave of with voltage of 140V and a characteristic impedance of 50 ohm is

A. 1.96
B. 19.6
C. 196
D. 19600
Answer» D. 19600
988.

The power of the electromagnetic wave with electric and magnetic field intensities given by 12 and 15 respectively is

A. 180
B. 90
C. 45
D. 120
Answer» C. 45