Magnetic Effects of Current
Magnetic Effects of Current
Magnetic Effects Of Current
A magnet is not the only thing that produces magnetic effects. an electric current in a conductor also produces magnetic field. Whenever current is passed through a conductor it behaves as a magnet. Suppose a straight current carrying conductor is hung vertically, and an electric current is flowing from North to south i.e. from up to down. In this situation, the direction of the magnetic field will be clockwise and if the same current is flowing from south to north through the same conductor, the direction of magnetic field will be anti- clockwise. In similar way we can observe the magnetic field produced by different current carrying conductors like loop, solenoid etc.
The phenomenon that when electric current passes through a wire, then the current carrying wire behaves like a magnet is known as a magnetic effect of current. It was discovered by a scientist Hans Christian Oersted who found that when electric current is passed in a wire, then the compass needle placed near it got deflected from its usual North - South position.
The magnetic effect is _______________ if the coil of wire is wound around an iron rod ? | |||
| Right Option : B | |||
| View Explanation | |||
A straight wire carrying current produces a________________effect. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) Whenever current is passed through a conductor it behaves as a magnet. (b) The branch of physics which deals with the magnetism produced due to electric current is called electromagnetism. | |||
| Right Option : C | |||
| View Explanation | |||
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