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प्रश्न
State the use of the principle of electromagnetic induction.
उत्तर
It is used as a back-up for the lifts in tall buildings in case of electricity failure.
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संबंधित प्रश्न
- How would you demonstrate that a momentary current can be obtained by the suitable use of a magnet, a coil of wire and a galvanometer?
- What is the source of energy associated with the current obtained in part (a)?
In which of the following case does the electromagnetic induction occur?
A conductor is moved in a varying magnetic field. Name the law which determines the direction of current induced in the conductor.
The direction of induced current is obtained by ______.
Faraday's law is the consequence of conservation of ______
An electron moves on a straight line path XY as shown. The abed is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil?
A.C generator works on the principle of ____________.
Fleming’s left hand and Right hand rules are used in ____________.
Define Fleming’s Left Hand Rule.
Two positively charged particles each having charge Q and are d distance apart. A third charge is introduced in midway on the line joining the two. Find nature and magnitude of third charge, so that the system is in equilibrium ______.