Physic Electrical Resistance

What is the unit of measurement for resistance?

• Voltage

• Ampere

• Watts

• Ohms

What is Resistance?

• the degree to which a circuit component opposes the passage of an electric current, causing energy dissipation
• How hard the energy is pushed
• The amount of charges that pass by a given point per second
• None of the above

How does resistance affect current?

• less resistance - less current
• more resistance - less current
• more resistance - more current
• resistance does not affect current

What happens to resistance when the length of the wire increases?

• Stays the same

• Increases

• Decreases

What effect do electrons flowing through a resistor have on the resistor.

• make it glow

• reduce it's resistance

• increase it's resistance

• heat it up

Tags

NGSS.HS-PS3-4

What happens to resistance when the length of the wire increases?

• Stays the same

• Increases

• Decreases

The flow of charge in a circuit is known as the .....

• voltage

• potential difference

• amps

• current

Tags

NGSS.HS-PS2-5

Adding more resistors or lamps in series in a circuit will cause the total resistance to ......

• go down

• go up

If you increase the width of a wire then the resistance will.....

• decrease

• increase

• stay the same

In a wire, _________________ flow from negative to positive

• metal atoms

• resistors

• electrons

• ohms