Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Which of the following circuits (figure ) gives the correct value of resistance, when computen by using R = V/I where V and I are voltmeter and ammeter readings , respectively ? The meters are not ideal.
15
Nov
Which of the following circuits (figure ) gives the correct value of resistance, when computen by using R = V/I where V and I are voltmeter and ammeter readings , respectively ? The meters are not ideal. respectively ? The meters are not ideal. when computen by using R = V/I where V and I [...]
In the circuit shown if figure, XY is potentiometer wire 100cm long. The circuit is connected as shown. With switches S2 and S3 open, a balance point is found at Z. After switched S1 has remaind closed for some time, it is found that contact at Z must be moved towards Y to maintain a balance. which of the following in most likely reason for this ?
13
Nov
In the circuit shown if figure, XY is potentiometer wire 100cm long. The circuit is connected as shown. With switches S2 and S3 open, a balance point is found at Z. After switched S1 has remaind closed for some time, it is found that contact at Z must be moved towards Y to maintain a [...]
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a balance point is found at Z. After switched S1 has remaind closed for some time ,
In the circuit shown if figure ,
it is found that contact at Z must be moved towards Y to maintain a balance. which of the following in most likely reason for this ? ,
XY is potentiometer wire 100cm long. The circuit is connected as shown. With switches S2 and S3 open ,
In the given circuit , R1≠R2 and the reading of the voltmeter is the same, irrespective of whether the switch S is open or closed. Then, which of the following is correct?
13
Nov
In the given circuit , R1≠R2 and the reading of the voltmeter is the same, irrespective of whether the switch S is open or closed. Then, which of the following is correct? In the given circuit irrespective of whether the switch S is open or closed. Then R1≠R2 and the reading of the voltmeter is [...]
Calculate the energy stored in the capacitor of capacitance 2 muF . The voltmeter gives a reading of 15 V and the ammeter A reads 15 mA.
13
Nov
Calculate the energy stored in the capacitor of capacitance 2 muF . The voltmeter gives a reading of 15 V and the ammeter A reads 15 mA. Calculate the energy stored in the capacitor of capacitance 2 muF . The voltmeter gives a reading of 15 V and the ammeter A reads 15 mA. November [...]
In the arrangement shown in figure when the switch S2 is open, the galvanometer shown no deflection for l=L/2. When the switch S2 is closed, the galvanometer shown no deflection for l = 5 L/12. The internal resistance (r) of 6 V cell, and the emf E of the other battery are respectively
13
Nov
In the arrangement shown in figure when the switch S2 is open, the galvanometer shown no deflection for l=L/2. When the switch S2 is closed, the galvanometer shown no deflection for l = 5 L/12. The internal resistance (r) of 6 V cell, and the emf E of the other battery are respectively and the [...]
Which of the following is the smallest cation (a) Na+ (b) Mg +2 (c) Ca +2 (d) Al +3
13
Nov
Which of the following is the smallest cation (a) Na+ (b) Mg +2 (c) Ca +2 (d) Al +3 Which of the following is the smallest cation (a) Na+ (b) Mg +2 (c) Ca +2 (d) Al +3 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
As compared to potassium, sodium has (a) Lower electronegativity (b) Higher ionization potential (c) Greater atomic radius (d) Lower melting point
13
Nov
As compared to potassium, sodium has (a) Lower electronegativity (b) Higher ionization potential (c) Greater atomic radius (d) Lower melting point As compared to potassium sodium has (a) Lower electronegativity (b) Higher ionization potential (c) Greater atomic radius (d) Lower melting point November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
When CO is passed over solid NaOH heated to 200 C, it forms (a) Na2CO3 (b) NaHCO3 (c) HCOONa (d) None
13
Nov
When CO is passed over solid NaOH heated to 200 C, it forms (a) Na2CO3 (b) NaHCO3 (c) HCOONa (d) None it forms (a) Na2CO3 (b) NaHCO3 (c) HCOONa (d) None When CO is passed over solid NaOH heated to 200 C November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Sodium carbonate reacts with SO2 in aqueous medium to give (a) NaHSO3 (b) Na2SO3 (c) NaHSO4 (d) Na2SO4
13
Nov
Sodium carbonate reacts with SO2 in aqueous medium to give (a) NaHSO3 (b) Na2SO3 (c) NaHSO4 (d) Na2SO4 Sodium carbonate reacts with SO2 in aqueous medium to give (a) NaHSO3 (b) Na2SO3 (c) NaHSO4 (d) Na2SO4 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An inorganic compound first melts then resolidifies and then liberates a gas. It may be (a) MnO2 (b) Al2O3 (c) KMnO4 (d) KClO3
13
Nov
An inorganic compound first melts then resolidifies and then liberates a gas. It may be (a) MnO2 (b) Al2O3 (c) KMnO4 (d) KClO3 An inorganic compound first melts then resolidifies and then liberates a gas. It may be (a) MnO2 (b) Al2O3 (c) KMnO4 (d) KClO3 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by [...]