Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A milli- ammeter of range 10mA and resistance 9Ω are joined in a circuit as shown in the fig. The meter gives full scale deflection, when current in the main circuit is I, and A and D are used as terminals. The value of I is
13
Nov
A milli- ammeter of range 10mA and resistance 9Ω are joined in a circuit as shown in the fig. The meter gives full scale deflection, when current in the main circuit is I, and A and D are used as terminals. The value of I is A milli- ammeter of range 10mA and resistance 9Ω [...]
A voltmeter with resistance R v = 2500 Ω indicates a voltage of 125 V in the circuit shown in Fig. A2.18. What is the series resistance (R) to be connected with voltmeter in this circuit so that it indicates 100 V?
13
Nov
A voltmeter with resistance R v = 2500 Ω indicates a voltage of 125 V in the circuit shown in Fig. A2.18. What is the series resistance (R) to be connected with voltmeter in this circuit so that it indicates 100 V? An ammeter is obtained by shunting a 30 Ω galvanometer with a 30 [...]
A capacitor of capacitance C is connected to two voltmeters A and B. A is ideal, having infinite resistance, while B has resistance R. The capacitor is charged and then the switch S is closed. The readings of A and B will be equal
13
Nov
A capacitor of capacitance C is connected to two voltmeters A and B. A is ideal, having infinite resistance, while B has resistance R. The capacitor is charged and then the switch S is closed. The readings of A and B will be equal A capacitor of capacitance C is connected to two voltmeters A [...]
In the given circuit (figure ) , when key K is open , reading of ammeter is I . Now key K is closed , then the correct statement is
13
Nov
In the given circuit (figure ) , when key K is open , reading of ammeter is I . Now key K is closed , then the correct statement is In the given circuit ( figure ) reading of ammeter is I . Now key K is closed then the correct statement is when key [...]
Pyrolusite is (a) Carbonate ore (b) Sulphur ore (c) Silicon ore (d) None of these
13
Nov
Pyrolusite is (a) Carbonate ore (b) Sulphur ore (c) Silicon ore (d) None of these Pyrolusite is (a) Carbonate ore (b) Sulphur ore (c) Silicon ore (d) None of these November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Choose the incorrect statement in the following (a) Beo is almost insoluble but BeSO4 is soluble in water (b) BaO is soluble but BaSO4 is insoluble in water
13
Nov
Choose the incorrect statement in the following (a) Beo is almost insoluble but BeSO4 is soluble in water (b) BaO is soluble but BaSO4 is insoluble in water Choose the incorrect statement in the following (a) Beo is almost insoluble but BeSO4 is soluble in water (b) BaO is soluble but BaSO4 is insoluble in [...]
For alkali metals, which one of the following trends is incorrect (a) Hydration energy : Li > Na > K > Rb (b) Ionisation energy : Li > Na > K > Rb
13
Nov
For alkali metals, which one of the following trends is incorrect (a) Hydration energy : Li > Na > K > Rb (b) Ionisation energy : Li > Na > K > Rb For alkali metals which one of the following trends is incorrect (a) Hydration energy : Li > Na > K > Rb [...]
The alkali halide that is soluble in pyridine is (a) NaCl (b) LiCl (c) KCl (d) CsI (e) NaBr
13
Nov
The alkali halide that is soluble in pyridine is (a) NaCl (b) LiCl (c) KCl (d) CsI (e) NaBr The alkali halide that is soluble in pyridine is (a) NaCl (b) LiCl (c) KCl (d) CsI (e) NaBr November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the graph below, the one which represents an alkali metal with the higher atomic number is (a) X (b) Y (c) Z (d) L (e) M
13
Nov
In the graph below, the one which represents an alkali metal with the higher atomic number is (a) X (b) Y (c) Z (d) L (e) M In the graph below the one which represents an alkali metal with the higher atomic number is (a) X (b) Y (c) Z (d) L (e) M November [...]
Two cells of emfs E1 and E2 and of negligible internal resistances are connected with two variable resistors as shown in Fig. A2.4. When the galvanometer shows no deflection, the values of the resistances are P and Q. What is the value of the ratio E2/E1?
13
Nov
Two cells of emfs E1 and E2 and of negligible internal resistances are connected with two variable resistors as shown in Fig. A2.4. When the galvanometer shows no deflection, the values of the resistances are P and Q. What is the value of the ratio E2/E1? the values of the resistances are P and Q. [...]