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Find the current (in A 0 in 4 ohm resistance in circuit shown in figure.
12
Nov
Find the current (in A 0 in 4 ohm resistance in circuit shown in figure. Find the current (in A 0 in 4 ohm resistance in circuit shown in figure. November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A metal obtained directly by roasting of its sulphide ore is (a) Cu (b) Pb (c) Hg (d) Zn
12
Nov
A metal obtained directly by roasting of its sulphide ore is (a) Cu (b) Pb (c) Hg (d) Zn A metal obtained directly by roasting of its sulphide ore is (a) Cu (b) Pb (c) Hg (d) Zn November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Find current in the branch CD ( in A ) of the circuit shown in figure.
12
Nov
Find current in the branch CD ( in A ) of the circuit shown in figure. Find current in the branch CD ( in A ) of the circuit shown in figure. November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following fluxes is used to remove acidic impurities in metallurgical process (a) Silica (b) Lime stone (c) Sodium chloride (d) Sodium carbonate
12
Nov
Which of the following fluxes is used to remove acidic impurities in metallurgical process (a) Silica (b) Lime stone (c) Sodium chloride (d) Sodium carbonate Which of the following fluxes is used to remove acidic impurities in metallurgical process (a) Silica (b) Lime stone (c) Sodium chloride (d) Sodium carbonate November 12, 2020 Category: Uncategorised [...]
How is limestone used in Fe extraction (a) Oxidation of Fe ore (b) Reduction of Fe ore (c) Formation of slag
12
Nov
How is limestone used in Fe extraction (a) Oxidation of Fe ore (b) Reduction of Fe ore (c) Formation of slag How is limestone used in Fe extraction (a) Oxidation of Fe ore (b) Reduction of Fe ore (c) Formation of slag November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of the following reaction taking place in the Blast furnace is endothermic (a) CaCO3 to CaO + CO2 (b) 2C + O2 to 2Co (c) C + O2 to CO2
12
Nov
Which of the following reaction taking place in the Blast furnace is endothermic (a) CaCO3 to CaO + CO2 (b) 2C + O2 to 2Co (c) C + O2 to CO2 Which of the following reaction taking place in the Blast furnace is endothermic (a) CaCO3 to CaO + CO2 (b) 2C + O2 to [...]
In blast furnace, the highest temperature is in (a) Reduction zone (b) Slag zone (c) Fusion Zone (d) Combustion zone
12
Nov
In blast furnace, the highest temperature is in (a) Reduction zone (b) Slag zone (c) Fusion Zone (d) Combustion zone In blast furnace the highest temperature is in (a) Reduction zone (b) Slag zone (c) Fusion Zone (d) Combustion zone November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
When copper pyrites is roasted in excess of air, a mixture of CuO + FeO is formed. FeO is present as impurities. This can be removed as slag during reduction of CuO. The flux added to
12
Nov
When copper pyrites is roasted in excess of air, a mixture of CuO + FeO is formed. FeO is present as impurities. This can be removed as slag during reduction of CuO. The flux added to a mixture of CuO + FeO is formed. FeO is present as impurities. This can be removed as slag [...]
Column I gives physical quantities based on a situation in which an ideal cell of emf V is connected across a cylindrical rod of uniform cross-section area and conductivity (sigma) as shown in figure E, J, phi and I are electric field at, current density through, electric flux through and current through shaded cross section repectively as shown in figure. Physical quantities in column-II are equal to those in column i Match the expression in Column I with the statement in Column II
12
Nov
Column I gives physical quantities based on a situation in which an ideal cell of emf V is connected across a cylindrical rod of uniform cross-section area and conductivity (sigma) as shown in figure E, J, phi and I are electric field at, current density through, electric flux through and current through shaded cross section [...]
In the given circuit , match the statements of column I and Column II.
12
Nov
In the given circuit , match the statements of column I and Column II. In the given circuit Match the statements of column I and column II November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,