A) Weight of the metal B) Cross sectional area C) Length of the wire D) Tensile strength
A) Circular mils B) American wire gauge C) Square millimetres D) Square inches
A) American wire gauge B) Circular kilometres C) Square centimetres D) Square millimetres
A) Square millimetres B) Square inches C) Circular mils D) American wire gauge
A) The amount of current a conductor can carry B) The total resistance of a material C) The weight of the conductor D) The melting point of the insulation
A) Lower resistance allows for larger current B) Higher resistance allows for larger current C) Resistance and current are not related D) Current capacity is independent of resistance
A) Temperature and altitude B) Voltage and frequency C) Material and size D) Color and length of insulation
A) It results in less resistance B) It results in more resistance C) It does not change resistance D) It creates infinite resistance
A) The insulation rating B) The point at which the conductor melts C) The magnetic field strength D) The voltage drop
A) 40 °C B) 80 °C C) 100 °C D) 60 °C
A) To preserve the copper's color B) To prevent voltage spikes C) To increase the wire's length D) To prevent fire risks from overheating
A) Foam and paper B) Plastic and cardboard C) Teflon or fiberglass D) PVC and rubber
A) Current is in the same direction as the applied electric field B) Current is perpendicular to the electric field C) Current does not flow D) Current flows in the opposite direction
A) Current is in the same direction B) No current flows C) The resistance is zero D) Current is in a different direction from the applied electric field
A) IET B) ASTM C) William Henry Preece D) Oliver Heaviside
A) Oliver Heaviside B) IET C) William Henry Preece D) ASTM
A) The Electrical Safety Board B) The National Electric Code C) American Society for Testing and Materials D) Institution for Engineering and Technology
A) Electrons B) Atomic nuclei C) Protons D) Neutrons
A) Drude model B) Ohm's law C) Ampere's law D) Coulomb's law
A) Becomes zero B) Decreases C) Increases D) Remains constant
A) Exponentially related B) Directly proportional C) Inversely proportional D) Resistance is independent of area
A) Amperes per square meter B) Siemens per meter C) Volts per meter D) Ohms per meter
A) Thermal expansion B) Skin effect C) Electron scattering D) Proximity effect
A) Phonons B) Ions C) Protons D) Photons
A) Annealed copper B) Silver C) Gold D) Aluminum
A) Piezoelectric effect B) Hall effect C) Skin effect D) Proximity effect
A) Directly equal B) Reciprocals C) Summative D) None of the above |