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प्रश्न
Describe how you will locate a current-carrying wire concealed in a wall.
उत्तर
We know that a current-carrying wire produces magnetic field. Therefore, we can locate a current-carrying wire concealed in a wall by detecting the magnetic field produced by the wire. It is done with the help of a compass.
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संबंधित प्रश्न
State whether the following statement is true or false
The field at the centre of a long circular coil carrying current will be parallel straight lines.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
What happens when a current-carrying conductor is placed in a magnetic field?
State two ways to increase the force on a current-carrying conductor in a magnetic field.
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
State Fleming's left handle rule.
State whether a magnetic field is associated or not around a static charge.
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be Zero.
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.
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 ______.
