T6 all questions

What electrical component opposes the flow of current in a DC circuit?

• Inductor

• Resistor

• Inverter

• Transformer

What type of component is often used as an adjustable volume control?

• Fixed resistor

• Power resistor

• Potentiometer

• Transformer

What electrical parameter is controlled by a potentiometer?

• Inductance

• Resistance

• Capacitance

• Field strength

What electrical component stores energy in an electric field?

• Varistor

• Capacitor

• Inductor

• Diode

What type of electrical component consists of conductive surfaces separated by an insulator?

• Resistor

• Potentiometer

• Oscillator

• Capacitor

What type of electrical component stores energy in a magnetic field?

• Varistor

• Capacitor

• Inductor

• Diode

What electrical component is typically constructed as a coil of wire?

• Switch

• Capacitor

• Diode

• Inductor

What is the function of an SPDT switch?

• A single circuit is opened or closed

• Two circuits are opened or closed

• A single circuit is switched between one of two other circuits

• Two circuits are each switched between one of two other circuits

What electrical component is used to protect other circuit components from current overloads?

• Fuse

• Thyratron

• Varactor

• All these choices are correct

Which of the following battery chemistries is rechargeable?

• Nickel-metal hydride

• Lithium-ion

• Lead-acid

• All these choices are correct