結果 : why are electromagnets helpful
4:14

Electromagnetism Explained in Simple Words

Science ABC
16,045 回視聴 - 2 か月前
2:13

How do radio frequency radiation and electromagnetic fields affect human beings?

Science Animated
85,995 回視聴 - 1 年前
8:32

How an Electromagnet Works and Why a Shoemaker Invented it

Kathy Loves Physics & History
28,045 回視聴 - 6 年前
3:59

ELECTROMAGNETISM for Kids⚡🧲 What are Electromagnets? 🔌 Science for Kids

Smile and Learn - English
94,686 回視聴 - 1 年前
3:11

Electromagnets

Lincoln Learning Solutions
79,873 回視聴 - 5 年前
1:30

Increasing the Strength of an Electromagnet – Number of Coils

Next Generation Science
60,829 回視聴 - 2 年前
1:37

What is an Electromagnetic Field?

Radwell International
37,450 回視聴 - 1 年前
9:49

5 Tips To Make A Good Electromagnet / How To Calculate Electromagnet Force?

Nick Electronics
66,898 回視聴 - 2 年前
12:05

The origin of Electromagnetic waves, and why they behave as they do

ScienceClic English
1,352,235 回視聴 - 1 年前

-
1:21

How to Make an Electromagnet

Next Generation Science
212,376 回視聴 - 2 年前
3:20

Electromagnetism 101 | National Geographic

National Geographic
1,440,413 回視聴 - 5 年前
2:49

How do electric bells work? (3D Animation | Electromagnets)

ScienceWorld
13,651 回視聴 - 3 年前

-
4:11

Electromagnet Experiment | Energy | The Good and the Beautiful

The Good and the Beautiful Homeschool Science
4,879 回視聴 - 1 年前
2:01

Magnetic field of a coil explained

cg-physics-global
126,126 回視聴 - 5 年前
2:19

Physics & Electromagnetism : Tips for Making a Stronger Electromagnet

ehow
43,389 回視聴 - 15 年前
5:55

Is an Electric V8 Engine a Good Idea?

The Action Lab
796,504 回視聴 - 1 年前
7:31

Permanent magnets vs Electromagnets

Coach Spivey Science
4,841 回視聴 - 1 年前
2:15

How to Make an Electromagnet - Science Experiment

Good Stuff Experiments
1,878,127 回視聴 - 5 年前
7:36

スマホがあなたを傷つける？電磁汚染とは

Kurzgesagt – In a Nutshell
7,871,614 回視聴 - 5 年前
1:00

Fleming's Left Hand Rule | Magnetic effect of electric current | Physics |

Simplified Learning 3D
1,996,549 回視聴 - 2 年前