resistance

The equivalent resistance in this circuit is 

• 100 ohms
• 450 ohms
• 400 ohms
• 30 ohms

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

In a series circuit which of the following is the same  throughout the circuit

• Resistance
• Voltage
• Current
• None of the above

In a parallel circuit if one of the light bulbs burns out the rest _________.

• stop the flow of electricity
•  can still light up
•  will go out
• of the light bulbs burn out also

Resistance is measured in ___. 

• watts. 
• amps.
• ohms.

the tendency for a material to oppose the flow of electrons

• current
• circuit
• resistance
• difference

Which one, top or bottom, offers more resistance?

• top
• bottom
• neither

Which device measures the current in a circuit?

• ammeter
• amplifier
• voltmeter
• rheostat

Potential difference is measured in:

• ohms
• ampere
• watts
• volts

Tags

NGSS.HS-PS2-5

Four unequal resistors are connected in a parallel with each other. Which one of the following statements is correct about this combination?

• The equivalent resistance is less than that of the smallest resistor.

• The equivalent resistance is equal to the average of the four resistances.

• The equivalent resistance is midway between the largest and smallest resistance.

• The equivalent resistance is more than the largest resistance.

• None of the other choices is correct.