Advertisements
Advertisements
प्रश्न
A current-carrying straight wire is held in exactly vertical position. If the current passes through this wire in the vertically upward direction, what is the direction of magnetic field produced by it? Name the rule used to find the direction of magnetic field.
Advertisements
उत्तर
It is given that the current-carrying straight wire is held in vertical position. If current passes through this wire in vertically upward direction, magnetic field produced by it will be in anticlockwise direction. Right hand thumb rule will be used to find the direction of magnetic field.
APPEARS IN
संबंधित प्रश्न
The magnetic field in a given region is uniform. Draw a diagram to represent it.
State Fleming’s left-hand rule.
State the form of magnetic field lines around a straight current-carrying conductor.
Fill in the following blank with suitable words:
For a current-carrying solenoid, the magnetic field is like that of a ...........
State and explain the Clock face rule for determining the polarities of a circular wire carrying current.
In a statement of Fleming's left-hand rule, what do the following represent?
(a) direction of centre finger.
(b) direction of forefinger.
(c) direction of thumb.
For Fleming's left-hand rule, write down the three things that are 90° to each other, and next to each one write down the finger or thumb that represents it.
In the simple electric motor of figure given below, the coil rotates anticlockwise as seen by the eye from the position X when current flows in the coil
Is the current flowing clockwise or anticlockwise around the coil when viewed from above?
force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
State the unit of magnetic field in terms of the force experienced by a current carrying conductor placed in a magnetic field
Name the following diagram and explain the concept behind it.
i) Which principle is explained in this figure?
ii) Which rule is used to find out the direction of a force in this principle?
iii) In which machine this principle is used? Draw a diagram showing working of that machine
The following diagram shows two parallel straight conductors carrying the same current. Copy the diagram and draw the pattern of the magnetic field lines around them showing their directions. What is the magnitude of the magnetic field at a point 'X' which is equidistant from the conductors? Give justification for your answer.
State whether a magnetic field is associated or not around a moving charge.
Write Fleming’s left hand rule.
The north pole of Earth’s magnet is in the ____________.
A current-carrying conductor of a certain length, kept perpendicular to the magnetic field experiences a force F. What will be the force if the current is increased four times, the length is halved and the magnetic field is tripled?
If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.
