Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Gravity separation process is used for the concentration of (a) Calamine (b) Haematite (c) Chalcopyrite (d) Bauxite
11
Nov
Gravity separation process is used for the concentration of (a) Calamine (b) Haematite (c) Chalcopyrite (d) Bauxite Gravity separation process is used for the concentration of (a) Calamine (b) Haematite (c) Chalcopyrite (d) Bauxite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The capacitance shown in figure is in steady state . The energy stored in the capacitor is
11
Nov
The capacitance shown in figure is in steady state . The energy stored in the capacitor is The capacitance shown in figure is in steady state . The energy stored in the capacitor is November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Bauxite ore is concentrated by (a) Froth flotation (b) Electromagnetic separation (c) Chemical separation (d) Hydraulic separation
11
Nov
Bauxite ore is concentrated by (a) Froth flotation (b) Electromagnetic separation (c) Chemical separation (d) Hydraulic separation Bauxite ore is concentrated by (a) Froth flotation (b) Electromagnetic separation (c) Chemical separation (d) Hydraulic separation November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An 80μC charge is given to the 4μF capacitor in the circuit shown in Fig. so thae upper plate A is positively charged. An unknown resistance R is connected in the left limb. As soon as the switch S in the central limb is closed, a current of 2 A flows through the 2Ω resistor in the central limb. The capacitive time constant for the circuit is
11
Nov
An 80μC charge is given to the 4μF capacitor in the circuit shown in Fig. so thae upper plate A is positively charged. An unknown resistance R is connected in the left limb. As soon as the switch S in the central limb is closed, a current of 2 A flows through the 2Ω resistor [...]
Charge on the capacitor having capacitance C2 in steady state ( figure ) is
11
Nov
Charge on the capacitor having capacitance C2 in steady state ( figure ) is Charge on the capacitor having capacitance C2 in steady state ( figure ) is November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Figure shows a battery with emf 15 V in a circuit with R1 = 30 Ω, R2 = 10 Ω, R3 = 20 Ω and capacitance C=10μF. The switch S is initially in the open position and is then closed at time t= 0. What will be the fimal steady – state charge on capacitor?
11
Nov
Figure shows a battery with emf 15 V in a circuit with R1 = 30 Ω, R2 = 10 Ω, R3 = 20 Ω and capacitance C=10μF. The switch S is initially in the open position and is then closed at time t= 0. What will be the fimal steady – state charge on capacitor? [...]
A piece of conducting wire of resistance R is cut into 2n equal parts. Half the parts are connected in series to form a bundle and remaining half in parallel to form another bundle. These bundles are then connected to give the maximum resistance. The maximum resistance of the combination is
11
Nov
A piece of conducting wire of resistance R is cut into 2n equal parts. Half the parts are connected in series to form a bundle and remaining half in parallel to form another bundle. These bundles are then connected to give the maximum resistance. The maximum resistance of the combination is The current enters at [...]
Magnetic separation is used for increasing concentration of the following (a) Horn silver (b) Calcite (c) Haematite (d) Magnesite
11
Nov
Magnetic separation is used for increasing concentration of the following (a) Horn silver (b) Calcite (c) Haematite (d) Magnesite Magnetic separation is used for increasing concentration of the following (a) Horn silver (b) Calcite (c) Haematite (d) Magnesite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Cassiterite is concentrated by (a) Levigation (b) Electromagnetic separation (c) Floatation (d) Liquifaction
11
Nov
Cassiterite is concentrated by (a) Levigation (b) Electromagnetic separation (c) Floatation (d) Liquifaction Cassiterite is concentrated by (a) Levigation (b) Electromagnetic separation (c) Floatation (d) Liquifaction November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the given circuit ( figure ) , the potential difference across the capacitor is 12 V . Each resistance is of 3 ohm. Thre cell is ideal . The emf of the cell is
11
Nov
In the given circuit ( figure ) , the potential difference across the capacitor is 12 V . Each resistance is of 3 ohm. Thre cell is ideal . The emf of the cell is In the given circuit ( figure ) the potential difference across the capacitor is 12 V . Each resistance is [...]