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प्रश्न
The magnetic field in a given region is uniform. Draw a diagram to represent it.
उत्तर
The magnetic field lines inside a current-carrying long straight solenoid are uniform.
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संबंधित प्रश्न
State Fleming’s left-hand rule.
State Fleming's left hand rule.
Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
Draw the magnetic lines of force due to a circular wire carrying current.
Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
What type of core should be put inside a current-carrying solenoid to make an electromagnet?
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.
The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is:
45°
60°
90°
180°
A horizontal wire carries a current as shown in Figure below between magnetic poles N and S:
Is the direction of the force on the wire due to the magnet:
(a) in the direction the current
(b) vertically downwards
(c) opposite to the current direction
(d) vertically upwards
Name and state the law which is used to determine the direction of force on 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
State whether a magnetic field is associated or not around a moving charge.
The north pole of Earth’s magnet is in the ____________.
The strength of magnetic field around a current-carrying conductor is ____________.
When current is parallel to a magnetic field, then force experience by the current-carrying conductor placed in a uniform magnetic field is ____________.
Assertion (A): A magnetic field exerts a force on a moving charge in the same direction as the direction of the field itself.
Reason (R): The direction of force is given by Fleming’s left-hand rule.
An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is ______.
Two LED bulbs of 10W and 5W are connected in series. If the current flowing through 5W bulb is 0.005A, the current flowing through 10W bulb is ______.
