Test de connaissances en électricité

You need to check a coil, what instrument do you use?

• A clamp meter.

• The indicator lamp.

• A multimeter in Ohmmeter mode

• A multimeter in Voltmeter mode

To check the functioning of a car battery, what should you do?

• Scratch a wire connected to the negative terminal.

• Use a multimeter in parallel.

• Connect an ammeter between the terminals.

What do we use wires of different sections based on?

• According to the intensity.

• According to the availability of suppliers.

• According to the voltage.

4. What form of voltage is found at the output of a battery?

• Alternative.

• Sinusoidal.

• Continuous.

Why do we use a relay?

• To simplify the electrical circuit.

• To control a power circuit.

• To consume less current

What is the instrument used to measure electrical voltage?

• An oscilloscope.

• A voltmeter.

• An ammeter.

What is the function of a fuse in an electrical circuit?

• To protect the circuit against overcurrents

• To regulate the voltage of the circuit.

• To amplify the electric current.

How can the continuity of an electrical circuit be tested in a physics laboratory?

• How can the continuity of an electrical circuit be tested in a physics laboratory?

• By connecting a light bulb to the circuit.

• By measuring the temperature of the circuit.

What can a poor connection on an electrical component cause?

• An increase in voltage.

• A reversal of current.

• Heating up.

During a science experiment, what do the letters "U", "R", and "I" represent in the Ohm's law?

• Unit, Rheostat, and Impedance.

• Voltage, Resistance, Current.

• Unit, Resistance, and Insulation.