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