Science 8 Quiz 2.1 - Electricity

Which of the following best describes a series circuit?

• It is a circuit with two or more pathway of electrons.

• When one load is broken, the others will still function.

• It usually uses separate switch for each load.

• The amount of current within the circuit is equal to each other.

Which of the following is an example of a parallel circuit?

• 
• 
• 
• 

Which of the following statements is true?

• The Ohm's Law states that the current is inversely proportional to the voltage within the circuit.

• The Ohm's Law states that the resistance is directly proportional to the current in a circuit.

• The current in a series circuit is computed by dividing the total voltage by the equivalent resistance.

• The voltage in a series circuit is just the same to the individual voltages.

All of the statements below are true EXCEPT _____.

• You must multiply the value of current and resistance to get the individual voltage.

• One step in finding the equivalent resistance in a series circuit is to get the reciprocal.

• The total voltage in a parallel circuit is just the same to the individual voltages.

• Current is the flow of electrons in a circuit,

In a series circuit with three resistors, how many individual current should we get?

• 0

• 1

• 2

• 3

Please just write the NUMBER of your answer. (e.g. 25.82, 60) Answer must be in TWO DECIMAL places and ROUNDED OFF to the nearest hundredths EXCEPT FOR WHOLE NUMBER.

SERIES CIRCUIT:

Given: R1 = 3Ω R2 = 5Ω R3 = 7Ω V = 25V

Compute for EQUIVALENT RESISTANCE (Req)

Please just write the NUMBER of your answer. (e.g. 25.82, 60) Answer must be in TWO DECIMAL places and ROUNDED OFF to the nearest hundredths EXCEPT FOR WHOLE NUMBER.

SERIES CIRCUIT:

Given: R1 = 3Ω R2 = 5Ω R3 = 7Ω V = 25V

Compute for TOTAL CURRENT (I_tot)

Please just write the NUMBER of your answer. (e.g. 25.82, 60) Answer must be in TWO DECIMAL places and ROUNDED OFF to the nearest hundredths EXCEPT FOR WHOLE NUMBER.

SERIES CIRCUIT:

Given: R1 = 3Ω R2 = 5Ω R3 = 7Ω V = 25V

Compute for FIRST VOLTAGE (V₁)

Please just write the NUMBER of your answer. (e.g. 25.82, 60) Answer must be in TWO DECIMAL places and ROUNDED OFF to the nearest hundredths EXCEPT FOR WHOLE NUMBER.

SERIES CIRCUIT:

Given: R1 = 3Ω R2 = 5Ω R3 = 7Ω V = 25V

Compute for SECOND VOLTAGE (V₂)

Please just write the NUMBER of your answer. (e.g. 25.82, 60) Answer must be in TWO DECIMAL places and ROUNDED OFF to the nearest hundredths EXCEPT FOR WHOLE NUMBER.

SERIES CIRCUIT:

Given: R1 = 3Ω R2 = 5Ω R3 = 7Ω V = 25V

Compute for THIRD VOLTAGE (V₃)