Hi friends, these are some of the multiple choice questions on electrical and magnetic properties. These are some of the basic questions which are asked in previous competitive papers check out and comment...
1) An atom or a group of atoms that carries a net electric charge.
A) Positive ion
B) Negative ion
C) Ion
D) Electron
Ans:C
2) Hysteresis refers to the b etween flux density of the material and the magnetizing force applied.
A) Leading effect
B) Ratio
C) Equality
D) Lagging effect
Ans:D
3) Hydrogen is an example of a material.
A) Paramagnetic
B) Diamagnetic
C) Ferromagnetic
D) Non- magnetic
Ans:B
4) Cobalt is an example of a material.
A) Paramagnetic
B) Diamagnetic
C) Ferromagnetic
D) Non- magnetic
Ans:C
5) The evaporation of electrons from a heated surface is called
A) Radiation
B) Convection
C) Thermionic emission
D) Conduction
Ans:C
6) Electron is a Greek word for
A) amber
B) Fire
C) Stone
D) Heat
Ans:A
7) Gases whose particles are charged are known as
A) Conductors
B) Insulators
C) Gaseous Conductors
D) Plasma
Ans:D
8) What principle states that each electron in an atom must have a different set of quantum numbers?
A) Inclusion principle
B) Exclusion principle
C) Quantum principle
D) Electron principle
Ans:B
9) The energy stored in an electrostatic field or electromagnetic field is called
A) Electromagnetic energy
B) Kinetic energy
C) Potential energy
D) Rest energy
Ans:C
10) Which of the following statements is TRUE?
A) Silicon dioxide is a good
B) The current carriers in conductors are valence electron
C) For conductors, the valence electron are strongly attracted to the nucleus
D) The valence electrons are located in the nucleus of an atom
Ans:B
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1) An atom or a group of atoms that carries a net electric charge.
A) Positive ion
B) Negative ion
C) Ion
D) Electron
Ans:C
2) Hysteresis refers to the b etween flux density of the material and the magnetizing force applied.
A) Leading effect
B) Ratio
C) Equality
D) Lagging effect
Ans:D
3) Hydrogen is an example of a material.
A) Paramagnetic
B) Diamagnetic
C) Ferromagnetic
D) Non- magnetic
Ans:B
4) Cobalt is an example of a material.
A) Paramagnetic
B) Diamagnetic
C) Ferromagnetic
D) Non- magnetic
Ans:C
5) The evaporation of electrons from a heated surface is called
A) Radiation
B) Convection
C) Thermionic emission
D) Conduction
Ans:C
6) Electron is a Greek word for
A) amber
B) Fire
C) Stone
D) Heat
Ans:A
7) Gases whose particles are charged are known as
A) Conductors
B) Insulators
C) Gaseous Conductors
D) Plasma
Ans:D
8) What principle states that each electron in an atom must have a different set of quantum numbers?
A) Inclusion principle
B) Exclusion principle
C) Quantum principle
D) Electron principle
Ans:B
9) The energy stored in an electrostatic field or electromagnetic field is called
A) Electromagnetic energy
B) Kinetic energy
C) Potential energy
D) Rest energy
Ans:C
10) Which of the following statements is TRUE?
A) Silicon dioxide is a good
B) The current carriers in conductors are valence electron
C) For conductors, the valence electron are strongly attracted to the nucleus
D) The valence electrons are located in the nucleus of an atom
Ans:B
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