20. Parallel Circuit

20. Parallel Circuit

Multiple Choice

How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor

• 12 volts

• 24 volts

• 1.33 volts

• 48 volts

Multiple Choice

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

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

Multiple Choice

If the battery has 27 V, then how much current I is flowing through the circuit?

• 3 A

• 81 A

• 9 A

• 13.5 A

Multiple Choice

Remember our friend the VIR chart? What do we do with the red and blue columns?

• Red adds up, blue stays the same

• Red stays the same, blue adds up

Multiple Choice

Light bulbs are like resistors: they have resistance. What happens to the brightness of the light bulbs if I continue to add more (but keep the same battery)?

• Stay the same

• Less bright

• Brighter

Multiple Choice

Ok, what happens now to the brightness of the light bulbs if I continue to add more?

• Stay the same

• Less bright

• Brighter