A-Level Physics: 5.1.1: Basics of Electricity (Seneca)

Question 1

What is ‘Current’?

Answer 1

Current is the Rate of Flow of Charge.

Question 2

Current Flows around any Circuit where there is a…

Answer 2

Potential Difference.

Question 3

The Flow of Electrons in a Circuit is the…

Answer 3

Current.

Question 4

Electrons Flow from the ___ Terminal to the ___ Terminal of a Circuit.

Answer 4

Positive, Negative.

Question 5

How can the Current in a Circuit be Measured?

Answer 5

By Connecting and Ammeter in Series.

Question 6

Current = …

Answer 6

Charge / Time

Question 7

The Potential Difference is also known as the…

Answer 7

Voltage.

Question 8

What is the ‘Potential Difference / Voltage’?

Answer 8

The P.D/Voltage of a Circuit is the Amount of Work Done to Move the Charge Around the Circuit, per Unit Charge.

Question 9

How can the Voltage in a Circuit be Measured?

Answer 9

By Connecting a Voltmeter in Parallel.

Question 10

Voltage = …

Answer 10

Energy / Charge

Question 11

What is ‘Resistance’?

Answer 11

Resistance is how Hard it is to get a Flow of Electrons through a Material.

Question 12

There is Always a Drop in ___ Across Components with High Resistance.

Answer 12

Voltage.

Question 13

Ohm’s Law:

Answer 13

V=IR

Question 14

Voltage = …

Answer 14

Current * Resistance

Question 15

On an I-V Graph, what is on each Axis?

Answer 15

-x-axis: Voltage (V)

-y-axis: Current (A)