Correct Answer:- Option-A
Question39:-Freezing point of mercury is
A:-35°C
B:-36°C
6-6
0-6
Correct Answer:- Option-D
Question40:-The ability of material to deform without breaking is called :
A:-Plasticity
B:-Elasticity
C:-Ductility
D:-Malleability
Correct Answer:- Option-A
Question41:-Whenever heat is developed in a conductor it is governed by the :
A:-Lenz's Law
B:-Ampere's Law
C:-Joule's Law
D:-Newton's Law
Correct Answer:- Option-C
Question42:-Squirrel cage induction motor is a :
A:-High starting torque motor
B:-Low starting torque motor
C:-Both (1) and (2)
D:-None of the above
Correct Answer:- Option-B
Question43:-Which are fundamental units ?
A:-CGS, FPS and MKS
B:-MKS, MKSA and CGS
C:-CGS, FPS and SI
D:-FPS and MKS
Correct Answer:- Option-A
Question44:-The flux density is the flux divided by :
A:-Conductivity
B:-Permeability
C:-Area of cross section
D:-Area of the current carrying conductor
Correct Answer:- Option-C
Question45:-A pure resistive circuit in AC follows the :
A:-Ohm's Law
B:-Lenz's Law
C:-Faraday's Law of electrolysis
D:-Kirchhoff's Law
Correct Answer:- Option-A
Question46:-Which of the following material has a negative temperature co-efficient of resistance ?
A:-Brass
B:-Copper
C:-Carbon
D:-Aluminium
Correct Answer:- Option-C
Question47:-100 W and 40 W lamps are of the same voltage rating the resistance of 40 W lamp is
A:-Higher
B:-Lower
C:-The same
D:-Lower with AC higher with DC
Correct Answer:- Option-A
Question48:-Metric HP *=*
A:-746 watts
B:-746.5 watts
C:-735.5 watts