Ohm's Law

Question 1

Which statement describes the relationship of resistance and current?

Revolt · Accepted Answer

Resistance is inversely proportional to current because R = .

Question 2

Which symbol and unit of measurement are used for voltage?

Revolt · Accepted Answer

symbol: V; unit: V

Question 3

Kaya collects the data shown in the table.

Revolt · Accepted Answer

20

Question 4

To increase the current in a circuit, which can be increased?

Revolt · Accepted Answer

voltage

Question 5

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 6

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 7

Which statement describes the relationship of voltage and current?

Revolt · Accepted Answer

Voltage is directly proportional to current because I = .

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

Which symbol and unit of measurement are used for resistance?

Revolt · Accepted Answer

symbol: R; unit :

Question 10

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

Ohm's Law Answers