Electric Circuits

Question 1

Which equation is correct according to Ohm’s law?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/evresources/ddd132b712e414e4d969809d20d7bc8f.png

Question 2

Which statement describes the relationship of resistance and current?

Revolt · Accepted Answer

Resistance is inversely proportional to current because R = .

Question 3

Kaya collects the data shown in the table.

Revolt · Accepted Answer

20

Question 4

A hair dryer has a resistance of 11.5 . What current does it conduct when it is plugged into a wall outlet that provides 120 V?

Revolt · Accepted Answer

10.4 A

Question 5

A circuit has a current of 2.4 A. The voltage is increased to 4 times its original value, while the resistance stays the same.

Revolt · Accepted Answer

It should increase to four times its value.

Question 6

According to Ohm’s law, which combination of units is the same as the unit for resistance?

Revolt · Accepted Answer

volt ÷ ampere

Question 7

If voltage in a circuit is constant, the current can be cut to half of its original value by changing the resistance to ________ its original value.

Revolt · Accepted Answer

two times

Question 8

Jaipal measures a circuit at 1.2 A and 24 . Using Ohm’s law, what can he calculate for the circuit?

Revolt · Accepted Answer

voltage (V)

Question 9

What is the resistance of a light bulb if a potential difference of 120 V will produce a current of 0.5 A in the bulb?

Revolt · Accepted Answer

240

Question 10

Which symbol and unit of measurement are used for electric current?

Revolt · Accepted Answer

symbol: I; unit: A

Electric Circuits Answers