Physics: Charge

As we increase thickness of a wire, what happens to resistance?

• Increases
• Decreases
• Not affected
• It exploooodes

Which of the following an insulator?

• copper
• wood
• silver
• salt water

Tags

NGSS.HS-PS2-6

How do two negative charges interact when they are brought close together?

• repel
• no interaction
• attract
• ground

Tags

NGSS.HS-PS2-4

An object becomes postiively charged when which of the following occurs?

• loses electrons
• gains electrons
• loses protons
• gains neutrons

Tags

NGSS.HS-PS2-4

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity

Tags

NGSS.HS-PS4-3

What does the Greek letter Ω,  (i.e. Omega) represent?

• amps
• volts
• watts
• ohms

Current is measured in what unit?

• ohms
• volts
• watts
• amps

Resistance is measured in what unit?

• ohms
• amps
• watts
• volts

Potential difference is another term for

• current
• voltage
• energy
• watts

This is an example of a _______ circuit

• open
• series
• parallel
• square