What causes static electricity?

• An imbalance between positive and negative charges

• A balanced charge distribution

• A constant flow of electrons

• A magnetic field

Tags

NGSS.HS-PS1-1

What is the unit of electric potential in the International System of Units?

• Volt

• Ampere

• Ohm

• Watt

What does one volt represent?

• The potential difference that drives one ampere of current through a resistance of one ohm

• The energy required to move one coulomb of charge

• The power dissipated in a circuit

• The resistance of a conductor

What is lightning?

• A natural electrical discharge caused by imbalances between storm clouds or between a cloud and the ground

• A steady flow of electric current

• A type of static electricity

• A form of electromagnetic radiation

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

How is electric current measured?

• In amperes (A)

• In volts (V)

• In ohms (Ω)

• In watts (W)

What is a polarized part in electronics?

• A component that can be connected in any direction

• A component with a specific orientation for proper function

• A component that does not conduct electricity

• A component that stores mechanical energy

What does tolerance refer to in electronic components?

• The exact value of resistance

• The allowable deviation from a specified value

• The maximum voltage a component can handle

• The speed at which a component operates

What is the primary function of a resistor?

• To store energy in an electric field

• To amplify electrical signals

• To resist the flow of electric current

• To convert electrical energy into light

What is an axial-leaded component?

• A component with leads extending from the sides

• A component with leads extending from opposite ends

• A component with no leads

• A component with leads extending from the top

What is the function of a capacitor?

• To convert AC to DC

• To store energy in an electric field

• To increase the frequency of a signal

• To decrease the voltage in a circuit