Pretest

Question 1

Which are disadvantages of series circuits? Choose two correct answers.

Revolt · Accepted Answer

A break in one wire causes all current to stop.; If one bulb goes out, the others go out.

Question 2

In a movie, the heroine saves the day by cutting a wire before the time runs out on a timer. How did she change the circuit?

Revolt · Accepted Answer

She changed a closed circuit to an open circuit.

Question 3

The cause of a fire in a computer is described as an incorrectly wired circuit. Which statement best explains the likely cause of the fire?

Revolt · Accepted Answer

The wiring contained a short circuit, so the reduced resistance caused an increase in current.

Question 4

A circuit that has only a single path for current to flow through is best classified into which category?

Revolt · Accepted Answer

a series circuit

Question 5

A circuit featuring multiple paths through which current can flow is best classified into which category?

Revolt · Accepted Answer

a parallel circuit

Question 6

After hearing about an accident on his normal route, Mr. Gujral checks for alternate routes to get to work. What type of circuit does this traffic situation model?

Revolt · Accepted Answer

a parallel circuit because there is more than one path

Question 7

A series circuit contains a 30 cap omega resistor, a 20 cap omega resistor, and a 10 cap omega resistor. The power supply provides 100 cap v to the circuit.

Revolt · Accepted Answer

1.67 A

Question 8

Which quantities are equal to sum of the individual values within a circuit?

Revolt · Accepted Answer

the current in a parallel circuit and the voltage in a series circuit

Pretest Answers

More from this Course

TRY EDGENUITY HACKS