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The north pole of compass needle points in __ direction and south pole points in __ direction
Which of the following is not a property of magnetic field lines
In which case the magnetic field will be stronger
Magnetic field has
The region around the magnet in which magnetic force is observed is called as ?
What is true about magnetic poles
Magnetic field strength is __ near the conductor and __ away from the conductor
What will be the effect on magnetic field if the current is increased
Right Hand Thumb Rule states that
What will be the effect on compass needle placed near a conductor if the direction of current is reversed?
Which of the following correctly describes the presence of magnetic field near a straight conductor
The magnetic field inside the solenoid is
Which of the following is true about the solenoid
A solenoid is
In case of circular loop carrying current, the strength of magnetic field is
Direction of magnetic field lines produced by circular current carrying conductor can be found by
State the pattern of Magnetic field lines for current carrying circular conductor
Fleming’s left hand rule is used to find
If a conductor carrying current moves in East direction, when the current flows in upward direction then in which direction the magnetic field would be ?
Suppose a conductor is placed in magnetic field such that current through it flows in west direction, Magnetic field points in south direction then what will be the direction of motion of conductor
Which of the following can be used to determine the possible direction of motion of current carrying conductor placed in magnetic field
Suppose a conductor is placed in magnetic field produced by two poles of permanent magnets. What will be the effect on the conductor if current is allowed to flow through it
An electric motor can be used in
An electromagnet is a device that
In rectangular loop the alternate branches will have
The loop used in electric motor is of which shape?
Electric motor is a
The principle of working of electric motor is
Direction of induced current can be found by
What do you mean by electromagnetic induction
Is it possible to induce current in secondary coil by changing the current in primary coil
If north pole of bar magnet is moved towards a coil connected across a galvanometer then which of the following action takes place
In which of the following ways electric current can be produced in the conductor
In India the frequency of AC current is
Practically there are large number of turns in the coil because
The difference between AC current and DC current is that
The basic difference in AC generator and DC generator is that
The device used for generation of electric current is called as
Which device is used to check presence of current in the circuit
What is the principle of electric generator
Electric meter is used in the circuit to
Fuse are used for
When live wire comes in direct contact with neutral wire then current in the circuit abruptly increases this condition is called
Home circuit is connected in Parallel because
On / Off switch must be connected in
Primary advantage of ground wire is
Which of the following wire is used to give return path for the current
Live wire is generally the wire with
Which of the following wire has potential of 220 V