Electrical symbols

Which components are used in this electrical circuit?

• Zener Diode, Voltmeter, AC Power, single Resistor

• LED, Battery DC Power, Voltmeter, two Resistors

• Zener Diode, Battery DC Power, Voltmeter, two Resistors

• Zener Diode, Battery DC Power, Ammeter, single Resistor

What does this symbol represent?

• Y type three-phase connection

• D type three-phase connection

• Z type three-phase connection

• None of them

What does NTC stand for?

• Negative Temperature Coefficient

• Termistor o dodatnim współczynniku temperaturowym

• Termistor o ujemnym współczynniku temperaturowym

• Positive Temprerature Coefficient

This symbol comes from the IEEE (American) standard for electrical symbols.

• True

• False

What does this meter measure?

• Voltage [V]

• Resistance [Ohm]

• Current [kA]

• Power [W]

What does an arrow, going through a symbol mean for electrical components?

• That it is adjustable/variable

• That it is dependent on light intensity

• That it is inversely proportional to voltage

• That it is fixed

This source is going to give out an alternating current.

• True

• False

This diode:

• is dependent on light

• emits light

• is dependent on magnetism

• emits temperature

What does this logic gate do?

• It combines two signals by adding them (1+0=1)

• It combines two signal by multiplicating them (1x0=0)

• It inverses the singnal (1=0)

These are the insides of an S-R flip flop, what logic gates are used to construct this type of a flip-flop?

• NAND gates

• XNOR gates

• NOR gates

• AND gates