Electric Current, Resistance, Power

What is electric current?

• The number of charged particles that pass a point each second
• The difference in potential
• The resistance
• Light Emitting Diode

Tags

NGSS.HS-PS2-5

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

A path that is made for an electric current is?

• Static electricity
• conductor
• A circuit
• resistor

As the resistance of a circuit increases, the current will

• increase
• decrease
• stay the same

What 'flows' in a wire?

• Protons
• Neutrons
• Atoms
• Electrons

Tags

NGSS.HS-PS2-5

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

• 5 V
• 12 V
• 0.2 V
• 20 V

The difference in electrical potential energy between two places is called

• resistance
• friction
• induction
• voltage

Tags

NGSS.HS-PS3-5

What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts

• 15 Ohms
• 4 Ohms
• 0.3333 Ohms
• 2 Ohms

How many Volts would it take to push 1 Amp through a resistance of 1 Ohm

• 10 volts
• 1 volt
• 48 volts
• 5 volts

Tags

NGSS.HS-PS3-5

A Charging system producing 15 Volts with a current flow of 45 Amps, what is the circuit resistance

• 60 Amps

• 0.33 Amps

• 30 Amps

• 3 Amp