Answer Happy

1. Answer "True" or "False" to the following statements: A diode is an electronic component that allows current to flow in one direction only, 19 An LED lights up: if you reverse its direction of connection, it goes out. The direction of rotation of a motor changes if its terminals are reversed. 2. Cirde the correct answer In a series circuit, if the resistance is decreased; the intensity of the current (increases / decreases / remains the same/becomes zero) In a series circuit, when we change the place of the resistor; the intensity of the current (increases/ decreases / remains the same / becomes zero). 3. Complete the following table Unit of Symbol Device Physical Unit Symbol Measuring device Dign of Mounting size Type Device Current intensity Electrical voltage Electrical resistance 4. Complete the following equalities: 100mA=.. 0.009 V mv 0,25MQ= Exercise #2: Apply your information We consider the electrical assembly schematized on the side: Represent, on the diagram, the conventional direction of the electric current in from the circuit Does the lamp shine? Justify your answer. We reverse the connections of the battery terminals in the drcuit without touching the other dipoles of the circuit Does the lamp shine in this case? Justify your answer Give the value displayed by the voltmeter in V and in mV, and the value displayed by the ammeter in A and 15 30 calibre 300mA Determine the values of the resistances of the following ohmic conductors: marron vert noir 3 III R₂=.. R₂=