MCQ 511 Mark
Which of the following can be formed around an electric current passing through a conducting wire?
- ✓Magnetic field
- BBlack hole
- CAnti gravity condition
- DAll of the above
Answer
View full question & answer→Correct option: A.
Magnetic field
(a)
Magnetic field
Explanation:
In 1820, Hans Oersted discovered that when an electric current passes through a conducting wire, a magnetic field forms around it. A compass needle can be used to determine the presence of a magnetic field at any location surrounding the current carrying path
Magnetic field
Explanation:
In 1820, Hans Oersted discovered that when an electric current passes through a conducting wire, a magnetic field forms around it. A compass needle can be used to determine the presence of a magnetic field at any location surrounding the current carrying path