Unit 6 Review

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V
• 10 V
• 2.5 V
• 0.4 V

If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

• 2.1 Amps

• 2.4 Amps

• 1.71 Amps

• 15 Amps

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

• 3 Amps
• 192 Amps
• 2 Amps
• 4 Amps

Calculate the VOLTAGE through a load, if a resistance of 500 Ω that has a current of 1.4 A flowing through it.

• 70 V

• 357 V

• .0028 V

• 700 V

If one bulb goes out in a series circuit, the remaining bulbs...

• also go out

• get brighter

• get dimmer

• explode, leaving shards of glass everywhere

If the switch was opened, what would happen?

• the ammeter would measure a current flowing

• current would no longer flow, so everything would be off

• the bulbs would stay on because they're connected to the cell

• the bulbs would burn out and catch fire

The picture shows an electrical circuit. This circuit is a series circuit because: 

• It has 3 light bulbs.
• The same current flows through all three light bulbs.
• It uses a single battery.
• The electrical current is divided between the three light bulbs.

This is an example of a _______ circuit

• open

• series

• parallel

• switch

A group of friends gather around a fire to stay warm. This is an example of ________.

• conduction

• convection

• radiation

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• hotter to colder

• colder to hotter

• hotter to hotter

• colder to colder