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11Oersted discovered magnetic effect in 1820.
Magnetic field around straight wire is rectangular.
Direction of magnetic field changes if current changes.
Solenoid produces magnetic field only outside.
Magnetic field inside solenoid is uniform.
Electromagnet is a permanent magnet.
Soft iron increases magnetic strength.
Maxwell gave right-hand rules.
Compass needle does not move near current.
Poles reverse if current direction reverses.
Percentage: 0%
Who discovered the magnetic effect of current?
Magnetic field around a straight wire is
If current flows upward, field direction is
Inside a solenoid, the magnetic field is
The thumb in right-hand thumb rule shows
In right-hand grip rule, thumb shows
A solenoid becomes
Which scientist discovered the magnetic effect of electric current?
Which is the direction of the magnetic field when current is flowing upwards through a conducting straight wire?
In the year ______, Hans Christian Oersted discovered the magnetic effect of electric current.
The deflection of a magnetic compass needle near a current-carrying conductor is due to the ______ effect of electric current.
The magnetic field formed around a straight current-carrying wire is ______ in shape.
The direction of the magnetic field depends on the direction of the ______ current.
When electric current flows upwards through a straight wire, the magnetic field is ______.
When electric current flows downwards through a straight wire, the magnetic field is ______.
The rule used to find the direction of magnetic field around a straight conductor is ______’s right-hand thumb rule.
A cylindrical coil made of insulated wire is called a ______.
The magnetic field inside a solenoid is ______.
A temporary magnet made using a solenoid is called an ______.