Resistors and Circuits

Suppose the current and the voltage of a circuit double. If the resistance remains the same, What will happen to the power of the circuit?

• It will double

• It will halve

• It will decrease by a factor of 1/4

• It will quadruple

Based on the graph above, the device is ohmic

• True

• False

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The voltage of a circuit is tripled and the resistance stays the same. What will happen to the current?

• It will triple

• It will stay the same

• Decrease by a factor of 1/3

• It will increase by a factor of 9

The resistance of a circuit is tripled and the voltage stays the same. What will happen to the current?

• It will triple

• It will stay the same

• Decrease by a factor of 1/3

• It will increase by a factor of 9

Is the light bulb in the right hand circuit lit?

• Yes

• No

Tags

NGSS.MS-ETS1-1

A 9V battery is attached to a light bulb. How much electric potential drops across the light bulb?

• 9 V

• 4.5 V

• 0 V

• 18 V

Which of the following is does not affect a materials electric resistance

• length

• material

• cross-sectional area

• color

The voltage of the circuit triples. What will happen to the resistance?

• It will triple

• It will stay the same

• Decrease by a factor of 1/3

• It will increase by a factor of 9

The resistance of the circuit triples. What will happen to the voltage?

• It will triple

• It will stay the same

• Decrease by a factor of 1/3

• It will increase by a factor of 9

Which of the following affects the amount of electric current ?

• the shape of the electron

• amount of time required for a charge to pass through a given area

• the direction the charge is traveling

• The color of the wire