SOLVE THE FOLLOWING NUMERICAL:-
A BLOCK OF WOOD OF VOLUME 145 cm^2 FLOATS ON WATER WITH 128 cm^3 OF IT'S VOLUME IMMERSED . CALCULATE : -
1) THE DENSITY
&
2) THE WEIGHT OF BLOCK OF WOOD.
Answers
Given: volume of V=25cm3
Volume immersed in water v=20cm3
(i) If density of wood is ρgcm-3 then by principle of floatation.
Weight of block of wood = Weight of water displaced by the immersed part of block.
Vρg=v×1×g(since density of water =1gcm-3)
Answer:
This relationship, known as Faraday's law of induction (to distinguish it from his laws of electrolysis), states that the magnitude of the emf induced in a circuit is proportional to the rate of change of the magnetic flux that cuts across the circuit.
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This relationship, known as Faraday's law of induction (to distinguish it from his laws of electrolysis), states that the magnitude of the emf induced in a circuit is proportional to the rate of change of the magnetic flux that cuts across the circuit.