Electricity and Current Test

This is an example of a _______ circuit

• open
• series
• parallel
• square

If the Voltage is increased and the resistance stays the same, Current will

• Increase
• Decrease
• Stay the same
• Not enough info

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is the unit of power?

• Ohms

• Volts
• Amps
• Watts

What voltage is needed to produce 2A of current through a 10Ω resistor?

• 20V
• 0.2V
• 5V
• 2V

A circuit with 3 resistors, 20 Ohms, 10 Ohms, and 20 Ohms are in series. What is the total resistance?

• 43 Ohms
• 50 Ohms
• 60 Ohms
• 33 Ohms

AC stands for ___.

• Alternating Current
• Attraction Connections

Tags

NGSS.HS-PS2-5

What measures current?

• Electroscope

• Meter

• Ammeter

• All of the above

In solid conductors, electric current is the flow of

• positive and negative charges

• electrons

• negative ions

• protons

A light bulb is an example of a _______.

• current
• resistor
• battery

Tags

NGSS.HS-PS3-3