Electricity and Ohm's Law

What is Resistance?

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

Electricity that flows in a closed path is called a

• path
• current
• circuit
• light

Tags

NGSS.HS-PS2-5

Current times Resistance equals
 (I X R)

• Power
• Voltage
• Amperage
• Ohm

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

• Increase
• Decrease
• Stay the same
• X

The plastic covering is there to:

• Provide a conductor for electrical energy to flow.
• Provide an insulator so that electrical energy will not pass outside of the wires.
• Provide a conductor so that electrical energy can NOT flow.
• Provide an insulator so that electrical energy can flow.

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit? (remember: V = I x R, or I = V/R, or R = V/I)

• 3 Amps

• 192 Amps

• 2 Amps

• 4 Amps

Based on the graph, which of the following would be true regarding the relationship of voltage and current?

• As voltage increases, current decreases.

• Voltage will not affect current.

• As voltage decreases, current increases.

• As voltage increases, current also increases.

A flow of electrons through a conductor is called:

• A river
• A spark
• An electron flow
• A current

With the engine running the charging system produces 14.5 Volts what would the current flow be if a resistance of 6 Ohms was present

• 2.41 Ohms
• 2.52 Ohms
• 2.1 Ohms
• 0.3333 Ohms

If two objects repel, what can there charges be?

• negative and negative, positive and positve
  
• positive and negative or negative and neutral,
• negative and neutral, positive and positive
• Your mom

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5