4.3.2 Parallel Circuit

Multiple Choice

Why must the total current entering a junction equal the total current leaving it?

• Energy is lost at the junction

• Charge is conserved

• Voltage is shared equally

Multiple Choice

Ammeters A1, A2 and A3 are placed in a circuit as shown below. What is the reading on ammeter A3?

• 1 A

• 2 A

• 3 A

• 5 A

Multiple Choice

One 6 ohmds resistor and one 4 ohms resistor are connected in parallel with a 6V power supply. Calculate the combined resistance!

• 2.4 ohms
• 4.0 ohms
• 1.5 ohms
• 3.0 ohms

Multiple Choice

Which circuit type allows less total resistance ?

• Parallel

• Series

Multiple Choice

As resistors are added in series to a circuit, the total resistance will...

• increase
• decrease
• stay the same

Multiple Choice

In a parallel circuit which of the following is the same value throughout the circuit?

• Voltage
• Current
• Resistance
• Charge

Multiple Choice

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

Multiple Choice

Which type of circuit is better to have in your home?

• Series

• Parallel

• Either

Multiple Choice

what are the advantages of connecting lamps in parallel in a lighting circuit?

• Lamps in parallel consume more power than in series.
• Connecting lamps in parallel increases the risk of circuit overload.
• Brighter

• All lamps in parallel will dim if one lamp burns out.