First_Quiz_G12_Physics_updated

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

• 1 Ohm

• 3 Ohms

• 4 Ohms

• 12 Ohms

This is an example of a _______ circuit

• open

• series

• parallel

• square

When only one lightbulb blows out, an entire string of decorative lights goes out. The lights in this string must be connected in

• series with multiple current pathways

• series with one current pathway

• parallel with multiple current pathways

• parallel with one current pathway

A 3.0-ohm resistor and a 6.0-ohm resistor are connected in series in an operating electric circuit. If the current through the 3.0-ohm resistor is 4.0 amperes, what is the potential difference across the 6.0-ohm resistor?

• 12 V

• 24 V

• 2.0 V

• 8.0 V

The diagram above represents a circuit consisting of two resistors connected to a source of potential difference.

What is the current through the 20.-ohm resistor?

• 12 A

• 6.0 A

• 4.0 A

• 0.25 A

The circuit diagram above represents four resistors connected to a 12-volt source. What is the total current in the circuit?

• 2.0 A

• 0.50 A

• 24 A

• 8.6 A

Three resistors, 4 ohms, 6 ohms, and 8 ohms, are connected in parallel in an electric circuit. The equivalent resistance of the circuit is

• between 4 ohms and 8 ohms

• less than 4 ohms

• 18 ohms

• between 10. ohms and 18 ohms

The diagram below represents an electric circuit consisting of four resistors and a 12-volt battery.

What is the equivalent resistance of the circuit shown?

• 72 ohms

• 3.0 ohms

• 0.33 ohms

• 18 ohms

25 similar resistors 2 ohm are connected in parallel. what is the equivalent resistance of the this combination

• 50 ohm

• 0.08 ohm

• 25 ohm

• 35 ohm

To protect home circuits, a fuse is connecting to the circuit in

• series

• parallel

• non of choices