Physic Elecricity
0.0(0)
Studied by 0 people0.0(0)
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/7
Earn XP
Description and Tags
Yr10 electricity topic
Study Analytics
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
8 Terms
1
New cards
2
New cards
3
New cards
4
New cards
5
New cards
What is electrical resistance?
Electrical resistance is a measure of the opposition to the flow of electric current in a circuit.
6
New cards
What is the unit of electrical resistance?
The unit of electrical resistance is the Ohm, represented by the Greek letter Omega (\Omega).
7
New cards
What law describes the relationship between resistance, voltage, and current?
Ohm's Law describes this relationship: V = IR, where V is voltage, I is current, and R is resistance.
8
New cards
What factors affect the resistance of a material?
The resistance of a material is affected by:
Length: Longer wires have more resistance.
Cross-sectional area: Thicker wires have less resistance.
Material: Different materials have different inherent resistivities.