Related Questions

In AC.S.R. Conductors, the insulation between aluminium and steel conductors is
A Insulin
B Bitumen
C Varnish
D No insulation is required
Eclipses occur due to which optical phenomena?
A Reflection
B Refraction
C Rectilinear propagation
D Diffraction
Air binding phenomena in rapid sand filters occur due to
A Excessive negative head
B Mud ball formation
C Higher turbidity in the effluent
D Low temperature
In conductors conduction of electricity takes place due to movement of
A Electrons only
B Positive ions only
C Negative ions only
D Positive and negative ions
A person travels I2 km due north, then 15 km due east after that I5km due west and then 18 km due south. How far B she from the starting point?
A 6km
B 10km
C 33km
D 60km
All good conductors have high
A Conductance
B Resistance
C Reluctance
D Thermal conductivity
Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity).
A Fireclay
B Carborundum
C Graphite
D Chromite
The random motion of holes and free electrons due to thermal agitation is called ___________
A Diffusion
B Pressure
C Ionisation
D None of the above
The singular form of 'phenomena' is-
A phenomenna
B phenomenon
C phenomenone
D phenom
Which of the following phenomena is responsible for the formation of the highest mountains?
A Denudation
B Fault formation
C Volcanic activity
D Folding

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