Q1. The atomic number of ______ is 5.
a) Boron
b)Carbon
3)Silicon
4)Gemanium
Q2. _______ bond is formed by transferring electrons from one atom to another.
a) Ionic
b) Covalent
c) Metallic
d) None of the above
Q3)Which of the following soilds have least electricity conductivity?
a) Ionic
b) Covalent
c) Metallic
d) None of the above
Q4) In semiconductor material, energy gap is _______.
a) Large
b) Medium
c) Small
d) Infinity
Q5) In a certain wire, 4C of charge moves past a point in 0.5 second. The current in amperes is _____.
a) 5A
b) 6A
c) 10A
d) 8A
Answers: a; a; a; c; d.
a) Boron
b)Carbon
3)Silicon
4)Gemanium
Q2. _______ bond is formed by transferring electrons from one atom to another.
a) Ionic
b) Covalent
c) Metallic
d) None of the above
Q3)Which of the following soilds have least electricity conductivity?
a) Ionic
b) Covalent
c) Metallic
d) None of the above
Q4) In semiconductor material, energy gap is _______.
a) Large
b) Medium
c) Small
d) Infinity
Q5) In a certain wire, 4C of charge moves past a point in 0.5 second. The current in amperes is _____.
a) 5A
b) 6A
c) 10A
d) 8A
Answers: a; a; a; c; d.
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