Advertisements
Advertisements
Question
State whether the following statement is true or false:
The magnetic field inside a long circular coil carrying current well be parallel straight lines.
Advertisements
Solution
True.
The magnetic field inside a long circular coil carrying current will be in the form of parallel straight lines.
APPEARS IN
RELATED QUESTIONS
Which of the following property of a proton can change while it moves freely in a magnetic field? (There may be more than one correct answer.)
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
Observe the following figure:
If the current in the coil A is changed, will some current be induced in the coil B? Explain.
What concealed do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
Describe how you will locate a current-carrying wire concealed in a wall.
Name and state the rule to determine the direction of magnetic field around a straight current-carrying conductor.
What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.
The magnetic field lines in the middle of the current-carrying solenoid are?
(a) circles
(b) spirals
(c) parallel to the axis of the tube
(d) perpendicular to the axis of the tube
The force experienced by a current-carrying conductor placed in a magnetic field is the largest when the angle between the conductor and the magnetic field is:
45°
60°
90°
180°
If the current in a wire is flowing in the vertically downward direction and a magnetic field is applied from west to east, what is the direction of force in the wire?
force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
Two coils A and B of insulated wire are kept close to each other. Coil A is connected to a galvanometer while coil B is connected to a battery through a key. What would happen if:
the current is stopped by removing the plug from the key?
Explain your answer mentioning the name of the phenomenon involved.
State the unit of magnetic field in terms of the force experienced by a current carrying conductor placed in a magnetic field
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
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.
When will coil come to rest?
State whether a magnetic field is associated or not around a moving charge.
Write Fleming’s left hand rule.
The shape of the magnetic field lines produced by a current-carrying conductor is ____________.
The strength of magnetic field around a current-carrying conductor is ____________.
