Question
Which row describes conventional current and electron flow in a circuit containing a cell?
| conventional current | electron flow |
A B C
D | from the negative terminal of the cell to the positive terminal of the cell from the negative terminal of the cell to the positive terminal of the cell from the positive terminal of the cell to the negative terminal of the cell from the positive terminal of the cell to the negative terminal of the cell | from the negative terminal of the cell to the positive terminal of the cell from the positive terminal of the cell to the negative terminal of the cell from the negative terminal of the cell to the positive terminal of the cell from the positive terminal of the cell to the negative terminal of the cell |
Answer/Explanation
Ans: C
Question
Which row describes conventional current and electron flow in a circuit containing a cell?
| conventional current | electron flow |
A B C
D | from the negative terminal of the cell to the positive terminal of the cell from the negative terminal of the cell to the positive terminal of the cell from the positive terminal of the cell to the negative terminal of the cell from the positive terminal of the cell to the negative terminal of the cell | from the negative terminal of the cell to the positive terminal of the cell from the positive terminal of the cell to the negative terminal of the cell from the negative terminal of the cell to the positive terminal of the cell from the positive terminal of the cell to the negative terminal of the cell |
Answer/Explanation
Ans: C
Question
A metal conductor is connected to a battery.
Which statement describes the current in the metal conductor?
A It is a flow of electrons from the negative to the positive terminal.
B It is a flow of electrons from the positive to the negative terminal.
C It is a flow of protons from the negative to the positive terminal.
D It is a flow of protons from the positive to the negative terminal.
Answer/Explanation
Ans: A
Question
In an electric circuit, 40 C of electric charge pass a point in 5.0 s.
What is the current in the circuit?
A 0.13 A
B 8.0 A
C 45 A
D 200 A
Answer/Explanation
Ans: B
Question
Which circuit shows the directions of the conventional current I and the flow of electrons?
Answer/Explanation
Ans: B