Physics-
General
Easy
Question
In the given circuit, no current is passing through the galvanometer. If the cross-sectional diameter of AB is doubled then for null point of galvanometer the value of AC would :
- x
- x/2
- 2x
- none of these
The correct answer is: x
Related Questions to study
Physics-
Show in the figure below is a meter bridge set up with null deflection in the galvanometer. The value of the unknown resistor R is :
Show in the figure below is a meter bridge set up with null deflection in the galvanometer. The value of the unknown resistor R is :
Physics-General
Physics-
Find the value of current through 2 W resistance for the given circuit is :
Find the value of current through 2 W resistance for the given circuit is :
Physics-General
Chemistry-
A 1.24 M aqueous solution of 
has density ofl.15 g/
.What is the freezing point of the solution if the KI is completely dissociated in the solution?
A 1.24 M aqueous solution of has density ofl.15 g/.What is the freezing point of the solution if the KI is completely dissociated in the solution?
Chemistry-General
Chemistry-
Molarity and molality of a solution of caustic soda are respectively 11.12 M and 94.12 m. The density of the solution is:
Molarity and molality of a solution of caustic soda are respectively 11.12 M and 94.12 m. The density of the solution is:
Chemistry-General
Chemistry-
A solution is prepared by dissolving a 2.5 g sample of an unknown compound in 34 g of benzene 
boils at 1.3 SoC higher than pure benzene. Which expression gives the molar mass of the unknown compound?
A solution is prepared by dissolving a 2.5 g sample of an unknown compound in 34 g of benzene boils at 1.3 SoC higher than pure benzene. Which expression gives the molar mass of the unknown compound?
Chemistry-General
Chemistry-
When 1.2 g of sulphur is melted With 15g of naphthalene, the solution freezes at 
. What is the molar mass of tb is form of sulphur?
When 1.2 g of sulphur is melted With 15g of naphthalene, the solution freezes at . What is the molar mass of tb is form of sulphur?
Chemistry-General
Chemistry-
Y g of a non-volatile organic substance of molecular mass M is dissolved in 250 g benzene. Molal elevation constant of benzene is K b Elevation in its boiling point is given by:
Y g of a non-volatile organic substance of molecular mass M is dissolved in 250 g benzene. Molal elevation constant of benzene is K b Elevation in its boiling point is given by:
Chemistry-General
Chemistry-
Consider the following vapour pressure-composition graph, SP is equal to:
Consider the following vapour pressure-composition graph, SP is equal to:
Chemistry-General
Chemistry-
Choose the correct option:
Choose the correct option:
Chemistry-General
Chemistry-
You are given 500 mL. of 2 N HCI and 500 mL of 5 NHCl. What will be the maximum volume of 3 M HCl that you can make from these two solutions?
You are given 500 mL. of 2 N HCI and 500 mL of 5 NHCl. What will be the maximum volume of 3 M HCl that you can make from these two solutions?
Chemistry-General
Chemistry-
A) One molar solution is always more concentrated than one molal solution
R) The amount of solvent in 1 M and 1 m aqueous solution is not equal
A) One molar solution is always more concentrated than one molal solution
R) The amount of solvent in 1 M and 1 m aqueous solution is not equal
Chemistry-General
Chemistry-
(A) The dissociation of gases in water is always an endothermic process
(R) Dissolution of gases in water proceed with negative value of 
(A) The dissociation of gases in water is always an endothermic process
(R) Dissolution of gases in water proceed with negative value of
Chemistry-General
Chemistry-
Which among the following gas will greatly deviate from Henry's law in water?
Which among the following gas will greatly deviate from Henry's law in water?
Chemistry-General
Chemistry-
Depression in freezing paint is 6 K for NaCl solution If 
for water is 1.86 K/kg mol; amount of NaCl dissolved in I kg water is:
Depression in freezing paint is 6 K for NaCl solution If for water is 1.86 K/kg mol; amount of NaCl dissolved in I kg water is:
Chemistry-General
Chemistry-
If for a sucrose solution, elevation in boiling point is 
then what will be the boiling point of NaCI solution for same molal concentration?
If for a sucrose solution, elevation in boiling point is then what will be the boiling point of NaCI solution for same molal concentration?
Chemistry-General
