# Test: EMFT - Electrical Engineering (EE)

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## 25 Questions MCQ Test GATE Electrical Engineering (EE) 2023 Mock Test Series - Test: EMFT

Test: EMFT for Electrical Engineering (EE) 2023 is part of GATE Electrical Engineering (EE) 2023 Mock Test Series preparation. The Test: EMFT questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: EMFT MCQs are made for Electrical Engineering (EE) 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: EMFT below.
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Test: EMFT - Question 1

### A long cylindrical conductor of Radius R carries a current i. The current density is a function of radius , where b is constant. The Magnetic field H at any radial distance r will  be _____?

Detailed Solution for Test: EMFT - Question 1     Test: EMFT - Question 2

### The Magnetic vector potential obey which equation? 1. 2. 3. Select the correct answer using the code given below

Test: EMFT - Question 3

### Plane defined by z = 0 carry surface current density A/m. The Magnetic intensity H is the two regions are respectively?

Detailed Solution for Test: EMFT - Question 3  Test: EMFT - Question 4

Two infinitely long wires separated by a distance 5m, carry currents I in opposite direction as shown in the
figure. If I = 8A, then the magnetic field intensity at point p is? Detailed Solution for Test: EMFT - Question 4  Test: EMFT - Question 5

A current loop ABCD is held fixed on the plane of the paper as shown. The Magnetic field H at point ‘O’
will be ____? Detailed Solution for Test: EMFT - Question 5 Test: EMFT - Question 6

If A vector is solenoidal, which of these is true?

Detailed Solution for Test: EMFT - Question 6 Test: EMFT - Question 7

There is a region in which an The path followed by the charge particle will be____?

Detailed Solution for Test: EMFT - Question 7 Thus it under goes circular motion.
But z-component of velocity vector tends to move the charge particle in z-direction.
Hence path of charge particle is Helical.

Test: EMFT - Question 8

Which one of the following potentials does NOT satisfy Laplace’s Equation?

Detailed Solution for Test: EMFT - Question 8 Test: EMFT - Question 9

For the scalar field , the magnitude of the gradiant at the point (1, 3) is?

Detailed Solution for Test: EMFT - Question 9 Test: EMFT - Question 10

Given Scalar function f = xy + yz + zx. Find the Directional Derivative of ‘f’ at point (1, 2, 3) along the
vector Detailed Solution for Test: EMFT - Question 10  Test: EMFT - Question 11

Which one of the following vector function has divergence & curl both zero.

Detailed Solution for Test: EMFT - Question 11 Test: EMFT - Question 12

Which of the following vector can be expressed as curl of another vector

Detailed Solution for Test: EMFT - Question 12  So, The vector can be expressed as
curl of another vector.

Test: EMFT - Question 13

The expression for electric field in a space is Find the potential difference between point A (1, -2, 1) m and point B (2, 1, -2) m

Detailed Solution for Test: EMFT - Question 13 *Answer can only contain numeric values
Test: EMFT - Question 14

Find the potential difference VAB between A (2, 1, 0)m & B (0, 2, 4)m in an electric field in volts.

(Important - Enter the numerical value only in the answers)

Detailed Solution for Test: EMFT - Question 14  Test: EMFT - Question 15

The force of attraction between the plate of parallel capacitor having charge q is____?

Detailed Solution for Test: EMFT - Question 15 Test: EMFT - Question 16

Four capacitors are arranged as shown. Find the amount of charge appear at 3F (between AB) capacitor? Detailed Solution for Test: EMFT - Question 16   Test: EMFT - Question 17

The current density in a cylindrical wire of radius 16mm placed along the z-axis is . What will be the total current (in Ampere) flowing through the wire.

Detailed Solution for Test: EMFT - Question 17  Test: EMFT - Question 18

Two extensive homogeneous isotropic dielectrics meet on a plane z = 0. For z > 0, = 4 and
for z < 0, = 2. A uniform electric field exists at z > 0 as . What is the value of electric field in the region z < 0

Detailed Solution for Test: EMFT - Question 18   Test: EMFT - Question 19

Find the voltage across the dielectric slab of dielectric constant when the voltage across the plate is 200V. Detailed Solution for Test: EMFT - Question 19

The combination becomes two capacitor in series   Test: EMFT - Question 20

A Parallel plate capacitor is made of two circular plates separated by a distance of 5mm with a dielectric of dielectric constant 2.2 between them. When the electric field in the dielectric is 3×104 V/m, the charge density of the positive plate will be?

Detailed Solution for Test: EMFT - Question 20  Test: EMFT - Question 21

Consider the following diagram The electric field E at a point P due to the Presence of dipole as shown in the above diagram (r >> d) is proportional to

Detailed Solution for Test: EMFT - Question 21  Test: EMFT - Question 22

The potantial field V= 2/xyz  Valt. The vector form of at point (1, 1, 1) will be?

Detailed Solution for Test: EMFT - Question 22 Test: EMFT - Question 23

Consider the charge configuration and spherical gaussian surface as shown in the fig. When calculating the flux of the electric field oven the spherical gaussian surface will be due to the Test: EMFT - Question 24

The electric potantial inside a charged spherical ball is given by v = ar2 + b, when r is the radial distance from centre a and b are constant. Then the charge density inside the ball will be?

Detailed Solution for Test: EMFT - Question 24  Test: EMFT - Question 25

Two infinite sheet carry a charge density -4μ c/m2 & + 4μ c/m2 lies on y = +4 & y = -4 plane respectively. Find the electric field intensity in region defined by -4 < y < +4

Detailed Solution for Test: EMFT - Question 25   ## GATE Electrical Engineering (EE) 2023 Mock Test Series

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