Complex Circuit

How much electrical energy is used by an appliance that draws 13 A of current at a voltage difference of 200 V for 1 h?

• 15.38 W

• 26 kWh

• 2.6 kWh

• 2600 W

The electrical energy used in your house is usually measured in units of __.

• watt hours

• amperes

• kilowatt hours

• kilowatts

A circuit breaker is tripped when the current in the circuit is greater than 15 A. If the voltage difference is 120 V, what is the power being used when the circuit breaker is tripped?

• 1800 W

• 2 W

• 100 W

• 1200 W

The purpose of fuses and circuit breakers is to __.

• decrease the resistance in a series circuit

• prevent circuits from overheating

• prevent breaks in the circuit

• prevent Mr. Vicente from playing Brawl Star

The illustration shows a(n) __.

• Series circuit

• Parallel circuit

• open circuit

• broken circuit

What is the standard voltage difference of electrical energy entering homes in the United States?

• 220 V

• 1200 V

• 120 V

• 12 V

_________ is necessary in order to make an electric circuit.

• A closed path

• A open path

The rate at which electrical energy is converted to another form of energy is called electrical potential.

• False

• True

One source of constant electric current is a __.

• coulomb

• switch

• dry cell

• transformer

The voltage __ as current moves through a circuit.

• doubles

• remains the same

• varies

• increase