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Answers
Answer:
answer
Explanation:
(a) What will you observe when key Kis closed?
answer :
when key close the circuit current can be flow and a circuit can be formed and when key k is open the circuit current will not flow and circuit will not form
hope it helps you
(b) Give reason for your observations.
ANSWER:
(a) Naphthalene balls undergo sublimation due to which it converts directly into vapours and disappear into air without leaving any solid.
(a) Naphthalene balls undergo sublimation due to which it converts directly into vapours and disappear into air without leaving any solid. (b) The particles of perfume diffuse rapidly into the air and its smell can be felt while sitting several metres away.
(c) Which of the phenomenon is involved in this
answer:
Electromagnetic inductions
(d) Name of two coils used in this experiment.
answer:
(v) Fleming's Right Hand Rule : Stretch the first three fingers of the right hand mutually perpendicular to each other such that the forefinger gives the direction of magnetic field and the thumb points in the direction of the motion of a conductor then, the middle finger will give the direction of the induced current.
e.(e) The rule which gives the direction of induced current is
answer:
(i) Fleming's right hand rule
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