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