Electricity

Which of the following is not a good conductor of electricity?

• Copper
• Silver
• Glass
• Aluminum

Tags

NGSS.HS-PS2-6

Electric current is the flow of:

• electrons
• protons
• neutrons
• none of these

Tags

NGSS.HS-PS3-5

Homes are wired in __________.

• series circuit
• parallel circuit
• kilowatt-hour
• negative, positive

Tags

NGSS.MS-ETS1-1

When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.

• parallel
• series
• open
• closed

What is the difference between direct current and alternating current?

• Direct current is the flow of electricity in only one direction, while alternating current reverses its direction at regular intervals of time.
• Alternating current is the flow of electricity in only one direction, while direct current reverses its direction at regular intervals of time.
• They are both the same thing, the only difference being the geographical area in which the term is being used.
• None of these answers are correct.

Tags

NGSS.HS-PS2-5

In a cell, which form of energy is converted into electrical energy?

• Chemical energy
• Solar energy
• Mechanical energy
• Electrical energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Does this statement best describe a parallel or a series circuit.
 
When more light bulbs are added they all remain bright. 

• Parallel circuit
• Series circuit

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

Tags

CCSS.7.NS.A.1C

What is current measured in?

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

What is Resistance?

• The flow of electrons
• Electric potential difference
• A battery
• The ability to reduce the flow of electrons