T6_Electronics_&_Electrical_Components_part_1

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