Advertisements
Advertisements
Question
Explain how does the Lenz's law show the conservation of energy in the phenomenon of electromagnetic induction.
Advertisements
Solution
By applying a force to a moving magnetic field, which acts as an opposing force, Lenz's Law demonstrates how mechanical energy can be converted into electrical energy. Therefore, "it implies the law of conservation of energy."
APPEARS IN
RELATED QUESTIONS
State Lenz’s Law.
In which of the following case does the electromagnetic induction occur?
The diagram in shows a coil of several turns of copper wire near a magnet NS. The coil is moved in the direction of arrow shown in the diagram.

- In what direction does the induced current flow in the coil?
- Name the law used to arrive at the conclusion in part (i).
- How would the current in coil be altered if
- the coil has twice the number of turns,
- the coil was made to move three times fast?
A D.C generator works on the principle of ____________.
Define the right-hand thumb rule.
For which angle between two equal vectors `vec"A"` and `vec"B"` will the magnitude of the sum of two vectors be equal to the magnitude of each vector?
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 ______.

Express Faraday-Lenz's law of electromagnetic induction in an equation form.
State two factors on which the magnitude of induced e.m.f. in a coil depend.
