Deck 2: Electric Current

Question 1

The three effects of an electric current are the

A) chemical, heating, and lighting effects.
B) heating, lighting, and sound effects.
C) lighting, magnetic, and sound effects.
D) magnetic, chemical, and heating effects.

Answer 1

magnetic, chemical, and heating effects.

Question 2

The SI definition of an ampere is based on the current's

A) chemical effect.
B) heating effect.
C) magnetic effect.
D) lighting effect.

Answer 2

magnetic effect.

Question 3

The SI symbol for the ampere is:

A) amp
B) A
C) a
D) I

Answer 3

A

Question 4

A coulomb is used to measure the

A) rate of flow of current.
B) rate of flow of charge.
C) quantity of charge.
D) quantity of electrons.

Question 5

A coulomb is equivalent to

A) an ampere per second.
B) an ampere second.
C) 6.24 x 10-18 electrons.
D) the charge on 6.24 x 10-18 electrons.

Question 6

The amount of charge transported by a current of 12 mA during a period of 3 s is:

A) 36 mC
B) 250 mC
C) 4 C
D) 36 C

Question 7

15 mC of charge is transported past a point in a circuit for 5 min. The current flowing during that period is

A) 50 microamperes
B) 3 milliamperes
C) 50 milliamperes
D) 3 amperes