(A) 4C
(B) C/2
(C) C/4
(D) 2C
A certain wire has a resistance R, the resistance of another wire identical to the first except for having the twice its diameter is?
(A) R/2
(B) 4R
(C) R/4
(D) 2R
Electron volt is a unit of?
(A) Momentum
(B) Charge
(C) Energy
(D) Potential difference
The law that governs the force between electric charges bears the name of?
(A) Coulomb
(B) Bernoulli
(C) Ampere
(D) Newton
The physics underlying the operation of a refrigerator most closely resembles the physics underlying?
(A) The melting of ice
(B) A heat engine
(C) The evaporation of water
(D) The freezing of water
The energy of the molecular motion appears in the form of?
(A) Heat
(B) Potential energy
(C) Friction
(D) Temperature
The smallest sub division of a compound that exhibit its characteristic properties is called?
(A) A molecule
(B) An atom
(C) An element
(D) An elementary particle
The ratio between the energy dissipated in some process and the heat that appears as a result is the?
(A) Specific heat
(B) Triple point
(C) Enthalpy
(D) Mechanical equivalent of heat