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प्रश्न
- What kind of energy change takes place when a magnet is moved towards a coil having a galvanometer at its ends?
- Name the phenomenon.
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उत्तर
- Mechanical energy changes to electrical energy.
- Electromagnetic induction is a phenomenon.
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संबंधित प्रश्न
The phenomenon of electromagnetic induction is
Name one device which works on the phenomenon of electromagnetic induction.
Describe one experiment to demonstrate the phenomenon of electromagnetic induction.
Calculate the dimensions of (a) \[\int \overrightarrow{E} . d \overrightarrow{l,}\] (b) vBl and (c) \[\frac{d \Phi_B}{dt}.\] The symbols have their usual meaning.
State Fleming’s Right Hand Rule.
You have been provided with a solenoid AB.
(i) What is the polarity at end A?
(ii) Give one advantage of an electromagnet over a permanent magnet.
Using Ampere's law, obtain an expression for the magnetic induction near a current-carrying straight infinitely long wire.
Induced current flows through a coil ______.
Which of the following instruments works by electromagnetic induction?
The working of a dynamo is based on the principle of
