Physics-
General
Easy
Question
An air core solenoid has 1000 turns and is one 
long. Its cross-sectional area is 
. Its self inductance is
The correct answer is:
Related Questions to study
Physics-
A rectangular loop of length l and breadth b is placed at distance of 
from infinitely long wire carrying current i such that the direction of current is parallel to breadth. If the loop moves away from the current wire in a direction perpendicular to it with a velocity 
the magnitude of the emf in the loop is 
permeability of free space)
A rectangular loop of length l and breadth b is placed at distance of from infinitely long wire carrying current i such that the direction of current is parallel to breadth. If the loop moves away from the current wire in a direction perpendicular to it with a velocity the magnitude of the emf in the loop is permeability of free space)
Physics-General
Physics-
A long horizontal metallic rod with length along the east-west direction is falling under gravity. The potential difference between its two ends will
A long horizontal metallic rod with length along the east-west direction is falling under gravity. The potential difference between its two ends will
Physics-General
General
If a spherical conductor comes out from the closed surface of the sphere then total flux emitted from the surface will be
If a spherical conductor comes out from the closed surface of the sphere then total flux emitted from the surface will be
GeneralGeneral
Chemistry-
ion produces common ion effect in the wet analysis of:
ion produces common ion effect in the wet analysis of:
Chemistry-General
Chemistry-
The self ionisation constant for pure formic acid, 
has been estimated as 
at 
The percentage of formic acid molecules in pure formic acid converted to formate ion is:
The self ionisation constant for pure formic acid, has been estimated as at The percentage of formic acid molecules in pure formic acid converted to formate ion is:
Chemistry-General
Chemistry-
Glycine is:
Glycine is:
Chemistry-General
Chemistry-
The equilibrium reaction that is not influenced by volume change at constant temperature is
The equilibrium reaction that is not influenced by volume change at constant temperature is
Chemistry-General
Chemistry-
The solubility product of iron (III) hydroxide is 
. If 
is the solubility of iron (III) hydroxide, which one of the following expression can be used to calculate ?
The solubility product of iron (III) hydroxide is . If is the solubility of iron (III) hydroxide, which one of the following expression can be used to calculate ?
Chemistry-General
Chemistry-
For the reaction, 
, the value of 
at 
is 26. The value of 
at this temperature will be
For the reaction, , the value of at is 26. The value of at this temperature will be
Chemistry-General
Chemistry-
The hydroxide with highest solubility product is:
The hydroxide with highest solubility product is:
Chemistry-General
Chemistry-
Which of the following will have maximum pH?
Which of the following will have maximum pH?
Chemistry-General
Chemistry-
In 1L saturated solution of 
, 0.1 mole of 
is added. The resultant concentration of Ag in the solution is 
. The value of 
is
In 1L saturated solution of , 0.1 mole of is added. The resultant concentration of Ag in the solution is . The value of is
Chemistry-General
Chemistry-
The pH indicators are
The pH indicators are
Chemistry-General
General
A long string with a charge of 
per unit length passes through an imaginary cube of edge a. The maximum flux of the electric field through the cube will be
A long string with a charge of per unit length passes through an imaginary cube of edge a. The maximum flux of the electric field through the cube will be
GeneralGeneral
General
According to Gauss’ Theorem, electric field of an infinitely long straight wire is proportional to
According to Gauss’ Theorem, electric field of an infinitely long straight wire is proportional to
GeneralGeneral
