Physics-
General
Easy
Question
A 50 turns circular coil has a radius of 
, it is kept in a magnetic field acting normal to the area of the coil. The magnetic field 
increased from 0.10 tesla to 0.35 tesla in 2 milliseconds. The average induced e.m.f. in the coil is
The correct answer is:
.
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When a magnet is pushed in and out of a circular coil C connected to a very sensitive galvanometer G as shown in the adjoining diagram with a frequency 
, then
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Physics-General
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Assertion : The tangent galvanometer can be made more sensitive by increasing the number of turns of its coil.
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Reason : Current through galvanometer is proportional to the number of turns of coil.
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Science
What is the expansion of the series (xy + 2)2?
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ScienceGeneral
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Chemistry-General
Chemistry-
The IUPAC name of the given compound 
or 
is
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Chemistry-General
