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Who Discovered the magnetic field?

André-Marie Ampère

Alessandro Volta

Hans Christian Oersted

Michael Faraday

Danish physicist and chemist Hans Christian Oersted (1777-1851) discovers in 1820 that electric current affects a compass needle and create magnetic fields. He was the first scientist to find the connection between electricity and magnetism. He is remembered today for Oersted's Law.

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NASA Goddard Space Flight Center wikipedia → Hans Christian Ørsted

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Denmark

5%

5%

75%

15%

20

Australia

10%

13%

49%

27%

59

the Netherlands

4%

8%

47%

39%

23

India

6%

9%

46%

36%

455

Austria

10%

17%

46%

24%

73

Ghana

7%

15%

46%

30%

13

Canada

4%

8%

45%

41%

24

Greece

0%

12%

43%

43%

16

Singapore

13%

0%

40%

46%

15

Poland

10%

17%

32%

39%

3581

the United States

8%

17%

31%

41%

191

Germany

18%

20%

28%

30%

483

the Philippines

8%

17%

26%

47%

34

Nigeria

13%

7%

23%

53%

76

Republic of Ireland

11%

11%

23%

52%

17

the United Kingdom

9%

16%

17%

53%

129

Switzerland

32%

20%

17%

26%

34

Malaysia

11%

0%

16%

72%

18

France

7%

21%

14%

57%

14

Pakistan

11%

26%

9%

52%

42

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