3001(elecs) Review (2025) EXAM QUESTIONS
AND ALL CORRECT ANSWERS 100% SOLVED AND
GUARANTEED SUCCESS!!
The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of
magnetization when subjected to a dc magnetic field.
A. Wartheim effect
B. Wiedemann
effect C. Wiegand
effect
D. Edison effect - answer--C
An effect which is generally used in the gausameter to measure flux density.
A. Skin effect
B. Magnetic
effect C. Hall
effect
D. Flywheel effect - answer--C
The contribution to the ionization in an ionization chamber by electrons liberated from
the walls.
A. Skin effect
B. Walt
effect
C. Hall effect
,D. Edison effect - answer--B
The tiniest element of matter
A. Atom
B. Proton
C. Electron
D. Neutron - answer--A
All matters (gas, liquid and solid) are composed of
A. Neutrons
B. Particles
C. Electron
s D. Atoms - answer--D
Who discovered the relationship between magnetism and electricity that serves as the
foundation for the theory of electromagnetism?
A. Luigi Galvani
B. Hans Christian Oersted
C. Andre Ampere
D. Charles Coulomb - answer--B
Who demonstrated the theory of electromagnetic induction in 1831?
A. Michael Faraday
B. Andre Ampere
C. James Clerk Maxwell
D. Charles Coulomb - answer--A
,Who developed the electromagnetic theory of light in 1862?
A. Heinrich Rudolf Hertz
B. Wilhelm Rontgen
C. James Clerk Maxwell
D. Andre Ampere - answer--C
Who discovered that a current-carrying conductor would move when placed in a
magnetic field?
A. Michael Faraday
B. Andre Ampere
C. Hans Christian Oersted
D. Gustav Robert Kirchhoff - answer--A
Who discovered the most important electrical effects which is the magnetic effect?
A. Hans Christian Oersted
B. Sir Charles Wheatstone
C. Georg Ohm
D. James Clerk Maxwell - answer--A
Who demonstrated that there are magnetic effects around every current-carrying conductor
and that current-carrying conductors can attract and repel each other just likemagnets?
A. Luigi Galvani
B. Hans Christian Oersted
C. Charles Coulomb
D. Andre Ampere - answer--D
, Who discovered superconductivity in 1911?
A. Kamerlingh Onnes
B. Alex Muller
C. Geory Bednorz
D. Charles Coulomb - answer--A
The magnitude of the induced emf in a coil is directly proportional to the rate of change of
flux linkages. This is known as
A. Joule's Law
B. Faraday's second law of electromagnetic induction
C. Faraday's first law of electromagnetic induction
D. Coulomb's Law - answer--B
Whenever a flux inking a coil or current changes, an emf is induced in it. This is known
as
A. Joule's Law
B. Coulomb's Law
C. Faraday's first law of electromagnetic induction
D. Faraday's second law of electromagnetic induction - answer--C
The force of attraction or repulsion between two magnetic poles is directly proportional to
their strengths.
A. Newton's first law
B. Faraday's first law of electromagnetic induction
C. Coulomb's first law
D. Coulomb's second law - answer--C
AND ALL CORRECT ANSWERS 100% SOLVED AND
GUARANTEED SUCCESS!!
The ability of a mechanically stressed ferromagnetic wire to recognize rapid switching of
magnetization when subjected to a dc magnetic field.
A. Wartheim effect
B. Wiedemann
effect C. Wiegand
effect
D. Edison effect - answer--C
An effect which is generally used in the gausameter to measure flux density.
A. Skin effect
B. Magnetic
effect C. Hall
effect
D. Flywheel effect - answer--C
The contribution to the ionization in an ionization chamber by electrons liberated from
the walls.
A. Skin effect
B. Walt
effect
C. Hall effect
,D. Edison effect - answer--B
The tiniest element of matter
A. Atom
B. Proton
C. Electron
D. Neutron - answer--A
All matters (gas, liquid and solid) are composed of
A. Neutrons
B. Particles
C. Electron
s D. Atoms - answer--D
Who discovered the relationship between magnetism and electricity that serves as the
foundation for the theory of electromagnetism?
A. Luigi Galvani
B. Hans Christian Oersted
C. Andre Ampere
D. Charles Coulomb - answer--B
Who demonstrated the theory of electromagnetic induction in 1831?
A. Michael Faraday
B. Andre Ampere
C. James Clerk Maxwell
D. Charles Coulomb - answer--A
,Who developed the electromagnetic theory of light in 1862?
A. Heinrich Rudolf Hertz
B. Wilhelm Rontgen
C. James Clerk Maxwell
D. Andre Ampere - answer--C
Who discovered that a current-carrying conductor would move when placed in a
magnetic field?
A. Michael Faraday
B. Andre Ampere
C. Hans Christian Oersted
D. Gustav Robert Kirchhoff - answer--A
Who discovered the most important electrical effects which is the magnetic effect?
A. Hans Christian Oersted
B. Sir Charles Wheatstone
C. Georg Ohm
D. James Clerk Maxwell - answer--A
Who demonstrated that there are magnetic effects around every current-carrying conductor
and that current-carrying conductors can attract and repel each other just likemagnets?
A. Luigi Galvani
B. Hans Christian Oersted
C. Charles Coulomb
D. Andre Ampere - answer--D
, Who discovered superconductivity in 1911?
A. Kamerlingh Onnes
B. Alex Muller
C. Geory Bednorz
D. Charles Coulomb - answer--A
The magnitude of the induced emf in a coil is directly proportional to the rate of change of
flux linkages. This is known as
A. Joule's Law
B. Faraday's second law of electromagnetic induction
C. Faraday's first law of electromagnetic induction
D. Coulomb's Law - answer--B
Whenever a flux inking a coil or current changes, an emf is induced in it. This is known
as
A. Joule's Law
B. Coulomb's Law
C. Faraday's first law of electromagnetic induction
D. Faraday's second law of electromagnetic induction - answer--C
The force of attraction or repulsion between two magnetic poles is directly proportional to
their strengths.
A. Newton's first law
B. Faraday's first law of electromagnetic induction
C. Coulomb's first law
D. Coulomb's second law - answer--C
