Question 1

The following describes an electric current, EXCEPT:

Accepted Answer

The charges in electric current do not flow.

Answer

Electric current is the movement of negativecharges (electrons) in a circuit.

Answer

Electric current is given the symbol I.

Answer

Current is the amount of charge flowing per second and is given the unit A.

Question 2

Which of the following refers to the symbol is given to electrical charge?

Accepted Answer

Q

Answer

A

Answer

V

Answer

I

Question 3

Which of the following shows the CORRECT relationship between current and charge?

Accepted Answer

I =Q / T

Answer

I = QT

Answer

I = T / Q

Answer

Q = I / T

Question 4

Kyla replaced a 10 V battery with a 20 V battery. How will that affect the circuit?

Accepted Answer

There will be an increase in potential difference in the circuit.

Answer

There will be an increase of current in the circuit.

Answer

There will be a decrease of current in the circuit.

Answer

There will be a decrease in potential difference in the circuit

Question 5

In a circuit, an 8ohms resistor is switch for 2 ohms resistor. What else change?

Accepted Answer

both the current and the voltage will increase

Answer

The current will increase.

Answer

The voltage will decrease.

Answer

. The voltage will increase.

Question 6

Two resistors with the values 2.0 ῼ and 4.0 ῼ are connected to a 12 V battery.

How much current passes through the 4.0 ῼ resistor?

Accepted Answer

3 A

Answer

3 V

Answer

12 A

Answer

3  ῼ

Question 7

Two resistors with the values 2.0 ῼ and 4.0 ῼ are connected to a 12 V battery.

What is the equivalent resistance?

Accepted Answer

1.33 ῼ

Answer

30 ῼ

Answer

75 ῼ

Answer

60 ῼ

Question 8

Two resistors with the values 2.0 ῼ and 4.0 ῼ are connected to a 12 V battery.

What is the voltage drop across it?

Accepted Answer

12 V

Answer

3 V

Answer

12 ῼ

Answer

12 A

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