1. The unit of reduction factor of tangent galvanometer is
a) Ampere
b) Gauss
c) Radian
d) None of these
Explanation: Ampere
2. The unit of self inductance of a coil is
a) Farad
b) Henry
c) Weber
d) Tesla
Explanation:
3. Henry/ohm can be expressed in
a) Second
b) Coulomb
c) Mho
d) Metre
Explanation:
4. The SI unit of momentum is
a) \[\frac{kg}{m}\]
b) \[\frac{kg.m}{sec}\]
c) \[\frac{kg.m^{2}}{sec}\]
d) \[kg\times Newton\]
Explanation:
5. The velocity of a particle depends upon as \[v=a+bt+ct^{2}\] ; if the velocity is in m/sec , the unit of a will be
a) \[m\diagup sec\]
b) \[m\diagup sec^{2}\]
c) \[m^{2}\diagup sec\]
d) \[m\diagup sec^{3}\]
Explanation: Quantities of similar dimensions can be added or subtracted so unit of a will be same as that of velocity
6. One million electron volt \[\left(1MeV\right)\] is equal to
a) \[10^{5}eV\]
b) \[10^{6}eV\]
c) \[10^{4}eV\]
d) \[10^{7}eV\]
Explanation: 1 MeV = 106 eV
7. \[Erg - m^{-1}\] can be the unit of measure for
a) Force
b) Momentum
c) Power
d) Acceleration
Explanation:
8. The unit of potential energy is
a) \[g\left(cm\diagup sec^{2}\right)\]
b) \[g\left(cm\diagup sec\right)^{2}\]
c) \[g\left(cm^{2}\diagup sec\right)\]
d) \[g\left(cm\diagup sec\right)\]
Explanation:
9. Which of the following represents a volt
a) Joule/second
b) Watt/Ampere
c) Watt/Coulomb
d) Coulomb/Joule
Explanation:
10. Kilowatt - hour is a unit of
a) Electrical charge
b) Energy
c) Power
d) Force
Explanation: Energy