Electrical components Quiz

What is the primary function of a battery in an electronic device?

• To store electrical charge and provide power

• To increase the size of the device

• To cool down the device

• To change the color of the device

What is the function of a switch in a circuit?

• To allow current in a circuit when closed

• To increase the voltage in a circuit

• To decrease the resistance in a circuit

• To store electrical energy

What does LED stand for?

• Light Emitting Device

• Light Emitting Diode

• Light Emission Detector

• Light Energy Device

What happens when the switch is pressed in a simple circuit?

• The LED lights up.

• The LED turns off.

• The circuit breaks.

• The batteries discharge completely.

What happens in the conventional circuit diagram when the switch is turned on?

• The light bulb lights up brightly.

• The light bulb remains off.

• The light bulb flickers.

• The light bulb dims.

What is the primary function of a resistor in an electrical circuit?

• To increase the flow of current

• To decrease the flow of current

• To store electrical energy

• To convert electrical energy into light

What happens to the flow of current when a resistor is introduced to a circuit?

• The flow of current increases

• The flow of current remains the same

• The flow of current is reduced

• The flow of current is converted to voltage

What is the primary function of a capacitor?

• To store an electrical charge

• To convert electrical energy to mechanical energy

• To amplify electrical signals

• To reduce electrical resistance

What happens to a capacitor when power is supplied to a circuit?

• It discharges

• It charges up

• It remains unchanged

• It decreases in capacitance

What occurs when the power is turned off in a circuit with a capacitor?

• The capacitor charges up

• The capacitor discharges its electrical charge slowly

• The capacitor increases its capacitance

• The capacitor remains fully charged