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) How much is the flux in Weber in the above problem?
A) 2 x 10^-5
B) 2 x 10^-3
C) 2 x 10^5
D) 2 x 10^3
Ans:A
2) One oersted (Oe) is equivalent to Gb/cm.
A) 1
B) 10
C) 100
D) 1000
Ans:A
3) One electron volt (1 eV) is equivalent to i joules
A) 1.3 x10^-19
B) 1.4x 10^-19
C) 1.5x 10^-l9
D) 1.6x 10^-l9
Ans:D
4) An electron- volt (eV) is a unit of
A) Energy
B) Potential difference
C) Charge
D) Momentum
Ans:A
5) The unit of electrical energy is
A) Joule
B) Watt- second
C) Kilowatt- hour
D) All of these
Ans:D
6) Electrons at the outer shell are called
A) Outer shell electrons
B) Inner shell electrons
C) Semiconductor electrons
D) valency electrons
Ans:D
7) Which of the following has the least number of valence electrons?
A) Conductors
B) Semiconductor
C) Insulator
D) Semi- insulator
Ans:A
8) A good conductor has how many valence electrons?
A) 1
B) 4
C) 2
D) 8
Ans:A
9) Which element has four valence electrons?
A) Conductor
B) Insulator
C) Semiconductor
D) Semi- insulator
Ans:C
10) A negative ion results when an atom gains an additional
A) Electron
B) Proton
C) Neutron
D) Atom
Ans:A
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1) How much is the flux in Weber in the above problem?
A) 2 x 10^-5
B) 2 x 10^-3
C) 2 x 10^5
D) 2 x 10^3
Ans:A
2) One oersted (Oe) is equivalent to Gb/cm.
A) 1
B) 10
C) 100
D) 1000
Ans:A
3) One electron volt (1 eV) is equivalent to i joules
A) 1.3 x10^-19
B) 1.4x 10^-19
C) 1.5x 10^-l9
D) 1.6x 10^-l9
Ans:D
4) An electron- volt (eV) is a unit of
A) Energy
B) Potential difference
C) Charge
D) Momentum
Ans:A
5) The unit of electrical energy is
A) Joule
B) Watt- second
C) Kilowatt- hour
D) All of these
Ans:D
6) Electrons at the outer shell are called
A) Outer shell electrons
B) Inner shell electrons
C) Semiconductor electrons
D) valency electrons
Ans:D
7) Which of the following has the least number of valence electrons?
A) Conductors
B) Semiconductor
C) Insulator
D) Semi- insulator
Ans:A
8) A good conductor has how many valence electrons?
A) 1
B) 4
C) 2
D) 8
Ans:A
9) Which element has four valence electrons?
A) Conductor
B) Insulator
C) Semiconductor
D) Semi- insulator
Ans:C
10) A negative ion results when an atom gains an additional
A) Electron
B) Proton
C) Neutron
D) Atom
Ans:A
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