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MCQ
BASIC ELECTRONICS
CONTROL SYSTEM ENGINEERING
DIGITAL ELECTRONICS
ELECTRICAL CIRCUIT ANALYSIS
ELECTRICAL ENERGY CONSERVATION AND AUDITING
ELECTRICAL ENGINEERING MATERIALS
ELECTRICAL MACHINES
ELECTRICAL WIRING
ELECTROMAGNETICS
MEASUREMENT & INSTRUMENTATION
MICROPROCESSOR AND MICROCONTROLLER INTERFACING
POWER ELECTRONICS & DRIVES
POWER SYSTEM
SIGNALS & SYSTEMS
UTILIZATION OF ELECTRICAL ENERGY
ELECTROMAGNETICS
Q1.
In the Cylindrical coordinate system, 'z' ranges between____________.
\(- \infty\) and \(\infty\)
0 and 1
\(- \infty\) and 1
0 and \(- \infty\)
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Solution
Q2.
The total Electric flux through any closed surface surrounding charges would equal to the amount of charge enclosed. The above illustration is known as
Maxwell's first Law
Maxwell's second Law
Gauss's Law
Coulomb's square Law
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Solution
Q3.
Which of the following is not maxwell’s equation (Here \(E \) represents electrical field, \(B\) represents magnetic field, \(\varepsilon\) represents epsilon, \(\rho\) represents charge density)?
\(\nabla \cdot E = \frac {\rho}{\epsilon}\)
\(\nabla \cdot B = 0 \)
\(\nabla \times E = \frac {\rho}{\epsilon}\)
all of the above
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Solution
Q4.
Magnitude of dipole moment \(| p |\) is given as .
qd
q/d
d/q
None of these
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Solution
Q5.
Which of following is vector quantity ?
1. Divergence
2. Gradient
3. Curl
4. Directional derivative
1 & 2
3 & 4
2 & 3
1 & 4
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Solution
Q6.
Cylindrical coordinates are represented in terms of .
(r, Φ, z)
(r, θ, Φ)
(x, y, z)
all of these
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Solution
Q7.
If work done Wmn is zero, then \(V_N\) and \(V_M\) are related as .
\(V_N + V_M = 0\)
\(V_N - V_M = 0\)
\(2V_N + V_M = 0\)
\(V_N + 2V_M = 0\)
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Solution
Q8.
The potential inside the hollow charged sphere is
zero
same as on the surface
less than that on the surface
none of the above
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Solution
Q9.
In the cylindrical co-ordinate system, z ranges between
0 and 1
\(\infty\) and 0
0 and \(-\infty\)
\(-\infty\) and \(\infty\)
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Solution
Q10.
Point charges of 1.5 μC each are located at A(2, 0, 0), B(-2, 0,0), C(0, 2, 0), and D(0, −2, 0) in freespace. Find the total force on the charge at A.
8.6 mN
7.6 mN
9.6 mN
4.8 mN
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Solution
1
2
3
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