Question

ошап пе ороси оптоо олиооптопи
Two coils of insulated copper wire are wound over a non-conducting
cylinder as shown. Coil 1 has comparative large number of turns. State
your observations, when
Coil 1
Coil 2
(i) Key K is closed.
(ii) Key K is opened.
Give reason for each of your observations.​

Answer 1

what you just wrote is not at all clear "ошап пе ороси оптоо олиооптопи"

(i) (a) A momentary deflection is shown by the galvanometer.  

(b) A momentary deflection is shown by the galvanometer but in the opposite direction.

(ii) When key is closed or opened, the current in the coil I changes, therefore the magnetic field linked with coil II changes and hence a current is induced in it.  

(iii) Electromagnetic induction - The process by which a changing magnetic field in a conductor induces current in another conductor.  

(iv) Primary coil — coil I  

Secondary coil — coil II

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