1031. The Ratio Between the energy dissipated in some process and the heat that appears as a result is the :
A. Triple Point
B. Specific Heat
C. Kilocalorie
D. Mechanical equivalent of heat *
1032. The smallest sub-division of a compound that exhibit its characteristics properties is called :
A. An elementary particle
B. An atom *
C. A Molecule
D. An element
1033. The Energy of the molecular motion appears in form of :
A. Fiction
B. Heat *
C. Temperature
D. Potential Energy
1034. The physics underlying the operation of a refrigerator most closely resemble the physics underlying :
A. A heat Engine *
B. The melting of ice
C. The freezing of water
D. The Evaporation of water
1035. The law that governs the force between electric charges bears the name of :
A. Newton
B. Bernoulli
C. Coulomb *
D. Ampere
1036. The electron volt is a unit of :
A. Charge
B. Potential Difference
C. Energy *
D. Momentum
1037. A certain wire has resistance “R” The resistance of another wire , Identical with the first except for having twice its diameter , is :
A. 1/4 R *
B. 1/2 R
C. 2 R
D. 4 R
1038. A parallel-plate capacitor whose initial capacitance was “C” experiences a doubled separation between its plates. Now, the capacitance is:
A. 1/4 C
B. 1/2 C *
C. 2 C
D. 4 C
1039. The time required to charge a capacitor depends upon :
A. The magnitude of the charge
B. The Applied potential difference
C. Its capacitance only
D. The product of its Capacitance and the resistance in the circuit *
1040. A current flowing north along a power line .The direction of the magnetic field above it , Neglecting the earth’s field is :
A. North
B. East *
C. South
D. West