Physics
Grade-10
Easy
Question
Magnetic effects of current were discovered by
- Oersted
- Fleming
- Einstein
- Ampere
Hint:
- The magnetic effect of an electric current was discovered by Hans Christian Oersted in 1820.
The correct answer is: Oersted
- The magnetic effect of an electric current was discovered by Hans Christian Oersted in 1820.
Related Questions to study
Physics
Read the following statements and choose the correct option.
Assertion:
A magnetic field interacts with an electric field to exert force on the current-carrying coil of an Electric motor.
Reason:
A current-carrying coil produces a magnetic field.
Read the following statements and choose the correct option.
Assertion:
A magnetic field interacts with an electric field to exert force on the current-carrying coil of an Electric motor.
Reason:
A current-carrying coil produces a magnetic field.
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On which two sides of the electric motor couple forces are acting which cause the rectangular coil to rotate between the poles of the magnets?
On which two sides of the electric motor couple forces are acting which cause the rectangular coil to rotate between the poles of the magnets?
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In the given figure on which two sides of the electric motor no forces are acting?
In the given figure on which two sides of the electric motor no forces are acting?
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In the given figure which side of the rectangular current-carrying coil is parallel to the magnetic field?
In the given figure which side of the rectangular current-carrying coil is parallel to the magnetic field?
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In an Electric motor ________ remains fixed and ______ rotates.
In an Electric motor ________ remains fixed and ______ rotates.
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In a commercial electric motor, the two permanent magnets are replaced with ____.
In a commercial electric motor, the two permanent magnets are replaced with ____.
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The direction of the force on a rectangular current-carrying conductor in a magnetic field depends upon ___.
The direction of the force on a rectangular current-carrying conductor in a magnetic field depends upon ___.
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The force exerted on a current-carrying wire placed in a magnetic field is maximum when the angle between the wire and the direction of the magnetic field is ____.
The force exerted on a current-carrying wire placed in a magnetic field is maximum when the angle between the wire and the direction of the magnetic field is ____.
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The split rings are also known as ____.
The split rings are also known as ____.
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The device which converts electrical energy into mechanical energy is called a/an _____.
The device which converts electrical energy into mechanical energy is called a/an _____.
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Which of the following factors affect the strength of force experienced by the rectangular current-carrying conductor in a magnetic field?
Which of the following factors affect the strength of force experienced by the rectangular current-carrying conductor in a magnetic field?
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A current flow in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below.
The force on the wire due to the magnet is directed _____.
A current flow in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below.
The force on the wire due to the magnet is directed _____.
PhysicsGrade-10
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In the given figure which side of the rectangular current-carrying coil is perpendicular to the magnetic field?
In the given figure which side of the rectangular current-carrying coil is perpendicular to the magnetic field?
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The side of the rectangular coil will experience a maximum force when the current is ____.
The side of the rectangular coil will experience a maximum force when the current is ____.
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The rectangular current-carrying coil of the electric motor executes ______ motion.
The rectangular current-carrying coil of the electric motor executes ______ motion.
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