1) 1000000 a) The prefix mega applies to: b) Which of the following uses steam to generate electricity? c) A good insulator materials: d) Alternating current is used in the distribution and transmission of electricity because: 2) joule a) Good conductor materials include: b) The volt is a measure of: c) Alternating current is used in the distribution and transmission of electricity because: d) The SI unit of energy is the: 3) coulomb a) The resistance of a kettle element which takes 12A from a 230V mains supply is: b) Domestic wiring uses what kind of insulating material? c) The prefix mega applies to: d) The SI unit of electrical charge is the: 4) potential difference / voltage a) The volt is a measure of: b) Rearrange the formula R=ρL/A to find ρ c) An electron: d) The prefix mega applies to: 5) 10-3 a) The prefix milli applies to: b) The volt is a measure of: c) Which of the following uses steam to generate electricity? d) A 12Ω filament lamp was found to be taking a current of 2A at full brilliance. The voltage across the lamp under these conditions is: 6) ρ=RA/L a) If any given power station fails, the National Grid will: b) Rearrange the formula R=ρL/A to find ρ c) Domestic wiring uses what kind of insulating material? d) An electron: 7) 19.16Ω a) The resistance of a kettle element which takes 12A from a 230V mains supply is: b) The SI unit of energy is the: c) Good conductor materials include: d) A 12Ω filament lamp was found to be taking a current of 2A at full brilliance. The voltage across the lamp under these conditions is: 8) 24V a) The SI unit of electrical charge is the: b) A 12Ω filament lamp was found to be taking a current of 2A at full brilliance. The voltage across the lamp under these conditions is: c) The volt is a measure of: d) Which of the following would be considered a load: 9) is negatively charged a) A domestic setting is associated with: b) The prefix milli applies to: c) Good conductor materials include: d) An electron: 10) PVC a) The resistance of a kettle element which takes 12A from a 230V mains supply is: b) Which of the following uses steam to generate electricity? c) Transmission of electricity on the National Grid is associated with: d) Domestic wiring uses what kind of insulating material? 11) copper / brass a) Good conductor materials include: b) The resistance of a kettle element which takes 12A from a 230V mains supply is: c) The SI unit of electrical charge is the: d) What kind of meter is connected in series? 12) has few free electrons / may be made of plastic a) A good insulator materials: b) A domestic setting is associated with: c) The volt is a measure of: d) If the voltage across a lamp is less than the supply. What causes this? 13) motor / lamp a) Which of the following would be considered a load: b) The resistance of a kettle element which takes 12A from a 230V mains supply is: c) An electron: d) The SI unit of energy is the: 14) volt drop a) If the voltage across a lamp is less than the supply. What causes this? b) If any given power station fails, the National Grid will: c) A good insulator materials: d) Alternating current is used in the distribution and transmission of electricity because: 15) Ammeter a) Which of the following would be considered a load: b) The SI unit of electrical charge is the: c) What kind of meter is connected in series? d) A good insulator materials: 16) Oil / Coal / Nuclear a) Good conductor materials include: b) Which of the following would be considered a load: c) The SI unit of electrical charge is the: d) Which of the following uses steam to generate electricity? 17) transformers only work with a.c. a) Alternating current is used in the distribution and transmission of electricity because: b) The volt is a measure of: c) If the voltage across a lamp is less than the supply. What causes this? d) Which of the following uses steam to generate electricity? 18) 230V single phase a) Good conductor materials include: b) Which of the following uses steam to generate electricity? c) An electron: d) A domestic setting is associated with: 19) 132kV a) A domestic setting is associated with: b) If any given power station fails, the National Grid will: c) Good conductor materials include: d) Transmission of electricity on the National Grid is associated with: 20) divert power from other sources a) Domestic wiring uses what kind of insulating material? b) If any given power station fails, the National Grid will: c) A 12Ω filament lamp was found to be taking a current of 2A at full brilliance. The voltage across the lamp under these conditions is: d) Transmission of electricity on the National Grid is associated with:

Electrical Installation Science - Prefixes Match Up

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