Advertisements
Advertisements
Question
If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.
Options
decreases
increases
remains the same
first increases then decreases
Advertisements
Solution
If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it increases.
Explanation:
The amount of current passing through the conductor directly correlates with the magnetic field generated.
APPEARS IN
RELATED QUESTIONS
What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.
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.
Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
A flat coil ABCD is freely suspended between the pole of a U-shaped permanent magnet with the plane of coil parallel to the magnetic field.
Name an instrument which makes use of the principle stated above.
Differentiate between conductors and insulators.
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.
Write Fleming’s left hand rule.
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?
Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':
