Which of the following information from a device or appliance's Philippine Energy Label should you use as basis for determining which product from competing brands will cost you the least in terms of electric bills? product model false legal basis false power input false energy efficiency rating true Single What is the SI unit of current? volt false ampere true ohm false coulomb false Single What is the direction of the conventional current flow if the electron current flow is upward? upward false downward true leftward false rightward false Single The product of the number of charges passing through a conductor, their drift velocity, and charge is equal to what quantity? average current false instantaneous current false current density true current false Single Fill in the blanks. The relationship between electric field magnitude and conductivity is ________________. independent of each other false inversely proportional false directly proportional true equal to each other false Single The 19th Century physicist whose surname became the SI unit for resistance was came from a country that is now known today as? France false Israel false Germany true United Kingdom false Single What do you call this device which enables you to measure a circuit's potential difference, resistance, and current just by adjusting its dial to the correct quantity? spanner false galvanometer false multimeter true electrometer false Single At a temperature of 20°C, which of the following substances will best conduct electricity? fused quartz false sulfur false wood false lead true Single Which of the following materials do not obey Ohm's law? zinc false galvanized iron false gold false germanium true Single What is the reason why birds can perch unharmed on high voltage wires? The potential difference between their feet is zero true The wire they are on are insulated with cladding false The bodies of birds have high resistivity false It is current that kills, not voltage false Single