Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Which one of the following ionic species has the greatest proton affinity to form stable compound
10
Nov
Which one of the following ionic species has the greatest proton affinity to form stable compound Which one of the following ionic species has the greatest proton affinity to form stable compound November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Three identical capacitors C1 C2 and C3 have a capacitance of 1.0μF each and they are uncharged initially. They are connected in a circuit as shown in the figure and C1 is then filled completely with a dielectric material of relative permittivity ∈r. The cell electromotive force emf V0 = 8V. First the switch S1 is closed while the switch S2 is kept open. When the capacitor C3 is fully charged S1 is opened and S2 is closed simultaneously. When all the capacitors reach equilibrium the charge on C3 is found to be 5μC. The value of ∈r.
10
Nov
Three identical capacitors C1 C2 and C3 have a capacitance of 1.0μF each and they are uncharged initially. They are connected in a circuit as shown in the figure and C1 is then filled completely with a dielectric material of relative permittivity ∈r. The cell electromotive force emf V0 = 8V. First the switch S1 [...]
A parallel plate capacitor has a dielectric slab of dielectric constant K between its plate that covers 1/3 of the area of its plates, as shown in the figure. The total capacitance of the capacitors is C, while that of the portion with the dielectric in between is ,C 1 . When the capacitor is charged, the plate area covered by the dielectric gets to charge Q 1 and the rest of the area gets to charge Q 2 . The electric field in the dielectric is E 1 and that in the other portion is E 2 . Choose the correct option/options, ignoring the edge effects.
10
Nov
A parallel plate capacitor has a dielectric slab of dielectric constant K between its plate that covers 1/3 of the area of its plates, as shown in the figure. The total capacitance of the capacitors is C, while that of the portion with the dielectric in between is ,C 1 . When the capacitor [...]
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A parallel plate capacitor has a dielectric slab of dielectric constant K between its plate that covers 1/3 of the area of its plates ,
as shown in the figure. The total capacitance of the capacitors is C ,
C 1 . When the capacitor is charged ,
In the circuit shown in the figure. Calculate the charge on 3 muF capacitor in steady state ( in muC ). ,
while that of the portion with the dielectric in between is ,
In the circuit shown in the figure, there are two parallel plate capacitors each of capacitance C. The switch S1 is pressed first to fully charge the capacitor C1 and then released. The switch S2 is then pressed to charge the capacitor C2. After some time, S2 is released and then S3 is pressed. After some time
10
Nov
In the circuit shown in the figure, there are two parallel plate capacitors each of capacitance C. The switch S1 is pressed first to fully charge the capacitor C1 and then released. The switch S2 is then pressed to charge the capacitor C2. After some time, S2 is released and then S3 is pressed. After [...]
How many electrons per second pass through a section of wire carrying a current of 0.7 A?
10
Nov
How many electrons per second pass through a section of wire carrying a current of 0.7 A? How many electrons per second pass through a section of wire carrying a current of 0.7 A? November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A current of 7.5 A is maintained in a wire for 45 s. In this time ( a) how much charge and ( b) how many electrons flow through the wire ?
10
Nov
A current of 7.5 A is maintained in a wire for 45 s. In this time ( a) how much charge and ( b) how many electrons flow through the wire ? A current of 7.5 A is maintained in a wire for 45 s. In this time ( a) how much charge and ( [...]
A parallel plate capacitor having plates of area S and plate separation d, has capacitance C1 in air. When two dielectrics of different relative primitivities (ε1=2 and ε2=4) are introduced between the two plates as shown in the figure, the capacitance becomes C2. The ratio C2/C1 is
10
Nov
A parallel plate capacitor having plates of area S and plate separation d, has capacitance C1 in air. When two dielectrics of different relative primitivities (ε1=2 and ε2=4) are introduced between the two plates as shown in the figure, the capacitance becomes C2. The ratio C2/C1 is A parallel plate capacitor having plates of area [...]
A 2 muF capacitir is cahrged as shown in the figure. The percentage of its stored energy dissipated after switch S is turned to position 2 is
10
Nov
A 2 muF capacitir is cahrged as shown in the figure. The percentage of its stored energy dissipated after switch S is turned to position 2 is A 2 muF capacitir is cahrged as shown in the figure. The percentage of its stored energy dissipated after switch S is turned to position 2 is November [...]
A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V. If a dielectric material of dielectric constant K = 5/3 is inserted between the plates, the magnitude of the induced charge will be :
10
Nov
A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V. If a dielectric material of dielectric constant K = 5/3 is inserted between the plates, the magnitude of the induced charge will be : A parallel plate capacitor of capacitance 90 pF is connected to a battery of [...]
A capacitance of 2μF is required in an electrical circuit across a potential difference of 1.0kV A large number of 1μF capacitors are available which can withstand a potential difference of not more than 300v. The minimum number of capacitors required to achieve this is
10
Nov
A capacitance of 2μF is required in an electrical circuit across a potential difference of 1.0kV A large number of 1μF capacitors are available which can withstand a potential difference of not more than 300v. The minimum number of capacitors required to achieve this is In the circuit shown in the figure. Calculate the charge [...]