Electrical magnitudesVersion en ligne Electrical magnitudes concepts par Marta Alcaraz González 1 Electrical CHARGE is a the amount of electricity stored in an object. b the amount of electric charge passing through a specific point in a circuit in one second. c is the difference between the electrical energy at two points in a circuit. d is the opposition of the components in a circuit to the flow of electric current. 2 Electrical CURRENT is a the amount of electricity stored in an object. b the amount of electric charge passing through a specific point in a circuit in one second. c is the difference between the electrical energy at two points in a circuit. d is the opposition of the components in a circuit to the flow of electric current. 3 VOLTAGE or ELECTRICAL TENSION a the amount of electricity stored in an object. b the amount of electric charge passing through a specific point in a circuit in one second. c is the difference between the electrical energy at two points in a circuit. d is the opposition of the components in a circuit to the flow of electric current. 4 Electrical RESISTANCE is a the amount of electricity stored in an object. b the amount of electric charge passing through a specific point in a circuit in one second. c is the difference between the electrical energy at two points in a circuit. d is the opposition of the components in a circuit to the flow of electric current. 5 The intensity of the current or the amount of electrons flowing through a conductor over a certain time, is called... Choose one or more answers a Tension b Voltage c Current d Charge e Resistance 6 The difference between the electrical energy at two points in a circuit, is called... Choose one or more answers a Tension b Voltage c Current d Charge e Resistance 7 The opposition of the components in a circuit to the flow of electric current, is called... Choose one or more answers a Tension b Voltage c Current d Charge e Resistance 8 Electrical CHARGE is measured in... a Watts b Ohms c Volts d Columbs e Amperes 9 Electrical CURRENT is measured in... a Watts b Ohms c Volts d Columbs e Amperes 10 VOLTAGE is measured in... a Watts b Ohms c Volts d Columbs e Amperes 11 Electrical RESISTANCE is measured in... a Watts b Ohms c Volts d Columbs e Amperes 12 What magnitude is measured in ohms? Choose one or more answers a Tension b Voltage c Current d Charge e Resistance 13 What magnitude is measured in volts? Choose one or more answers a Voltage b Current c Charge d Resistance 14 What magnitude is measured in amperes? Choose one or more answers a Voltage b Current c Charge d Resistance 15 What magnitude is measured in coulombs? Choose one or more answers a Voltage b Current c Charge d Resistance 16 What is the name of the device that is used to measure the VOLTAGE in an electrical circuit? a Ohmmeter b Ammeter c Voltmeter d Multimeter 17 What is the name of the device that is used to measure the CURRENT in an electrical circuit? a Ohmmeter b Ammeter c Voltmeter d Multimeter 18 The following formula I=Q/t, indicates that the current intensity is related to time and, what other quantity? Written answer 19 What type of charge does an electron have? a Positive b Negative c It has no charge d 20 The fundamental particles of an atom are: Choose one or more answers a Anion b Cation c Proton d Electron e Neutron 21 Electric charges of different signs... a They repel each other only in electrical circuits. b They repel each other. c They attract each other. d They attract only in electrical circuits. 22 From the following list of materials, indicate which ones are conductors: Choose one or more answers a hard woods b Silver c Copper d Granite e Gold f Plastic 23 Indicate the incorrect sentences: Choose one or more answers a Charges with the same sign attract, while charges with different signs repel. b For the electrons to circulate throughout the circuit, it is only necessary to connect the circuit to one of the terminals of the cell or battery. c Electrons have a positive charge. d El sentido de la corriente eléctrica es contrario al del flujo de electrones. e The direction of the electric current is opposite to that of the flow of electrons. f Electrons flow to the positive terminal of the cell or battery 24 The continuous movement of electrons through a conductive material is called Written answer 25 A material that does not allow the passage of electric current is called... a Electrical insulator b Electrical conductor 26 What are the names of the materials that allow the movement of electric charges through them? Written answer 27 Indicate which of the following sentences are true: Choose one or more answers a Charges of different signs attract. b Charges of different signs repel each other. c Charges of the same sign attract. d Charges of the same sign repel each other 28 What is the name of the atomic particle responsible for electrical phenomena, including electric current? a Electron b Positron c Proton d Neutron 29 Indicate which of the following formulas is used to define the intensity of current through a conductor: a I =V/Q b I =R/t c I=V/t d I=Q/t e I= t/Q f I=t/V 30 The amount of charge that circulates through a circuit in 0.5 s, if the current intensity is 3 mA, will be: a 6 mΩ b 6 mC c 1.5 mΩ d 6 mV e 1.5 mV f 1.5 mC 31 The intensity of current through a conductor through which 4 mC flows in 2 seconds is: a 2 mV b 0.5 mA c 2 mA d 0.5 mV e 8 mA f 8 mV
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