Electricity P3

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

Tags

NGSS.HS-PS3-2

This is an example of a _______ circuit

• open
• series
• parallel
• square

As the number of resistors increase, the total resistance ___________ and the total current ____________

• Decreases, decreases
• Decreases, increases
• Increases, increases
• Increases, decreases

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

• Increases
• Decreases
• Not affected
• River dance happens

What is electric current?

• A flow of electric charges
• static electricity
• two objects repelling from each other
• batteries

What is a formula to calculate Current

• I=Q/t
• I=Q*t
• I =V*R
• I = R/V

An ammeter is a device that can be used to measure

• Current
• Voltage
• Resistance
• Power

Tags

NGSS.HS-PS2-5

How much charge must pass by a point in 10 s for the current to be  0.50 A? 

• 0,05C
• 5,0C
• 20C
• 2,0C