Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
In the circuit shown in figure initially key K 1 is closed and keys K 2 is open. Then K 1 is opened and K 2 is closed (order is important). [Take Q 1 ′and Q 2 ′ as charges on C 1 and C 2 and V 1 and V 2 as voltage respectively. Then ]
19
Sep
In the circuit shown in figure initially key K 1 is closed and keys K 2 is open. Then K 1 is opened and K 2 is closed (order is important). [Take Q 1 ′and Q 2 ′ as charges on C 1 and C 2 and V 1 and V 2 as [...]
Consider the circuit shown where C1= 6 μF, C2 = 3 μF and V = 20 V. Capacitor C1 is first charged by closing the switch S1. Switch S1 is then opened, and the charged capacitor is connected to the uncharged capacitor C2 by closing S2.
19
Sep
Consider the circuit shown where C1= 6 μF, C2 = 3 μF and V = 20 V. Capacitor C1 is first charged by closing the switch S1. Switch S1 is then opened, and the charged capacitor is connected to the uncharged capacitor C2 by closing S2. and the charged capacitor is connected to the uncharged [...]
Two identical capacitors, have the same capacitance C. One of them is charged to potential V1 and the other V2. The negative ends of the capacitors are connected together. When the poistive ends are also connected, the decrease in energy of the combined system is
19
Sep
Two identical capacitors, have the same capacitance C. One of them is charged to potential V1 and the other V2. The negative ends of the capacitors are connected together. When the poistive ends are also connected, the decrease in energy of the combined system is have the same capacitance C. One of them is charged [...]
In the figure, initial status of capacitance and their connection is shown. Which of the following is incorrect about this circuit ?
19
Sep
In the figure, initial status of capacitance and their connection is shown. Which of the following is incorrect about this circuit ? In the figure initial status of capacitance and their connection is shown. Which of the following is incorrect about this circuit ? September 19, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Two condensers c1 and c2 in a circuit are joined as shown in the figure. The potential of point A is V1 and that of B is V2 . The potential of point D will be
19
Sep
Two condensers c1 and c2 in a circuit are joined as shown in the figure. The potential of point A is V1 and that of B is V2 . The potential of point D will be Two condensers c1 and c2 in a circuit are joined as shown in the figure. The potential of point [...]
A 10 muF capacitor and 20 muF capacitor are connected in series across a 200 V supply line. The charged capacitors are then disconnected from the line and reconnected with their positive plates together and negative plates together and no external voltage is applied. what is the potential difference across each capacitor?
19
Sep
A 10 muF capacitor and 20 muF capacitor are connected in series across a 200 V supply line. The charged capacitors are then disconnected from the line and reconnected with their positive plates together and negative plates together and no external voltage is applied. what is the potential difference across each capacitor? Three capacitors each [...]
A railway track runs parallel to a road until a turn brings the road to railway crossing. A cyclist rides along the road everyday at a constant speed 20 km/hr. He normally meets a train that travels in same direction at the crossing.
18
Sep
A railway track runs parallel to a road until a turn brings the road to railway crossing. A cyclist rides along the road everyday at a constant speed 20 km/hr. He normally meets a train that travels in same direction at the crossing. The balls are released from the top of a tower of height [...]
At the same instant, ball A is dropped from top of a building of height h and ball B is projected vertically upward from the ground with velocity u. The ratio of velocity of A to the velocity of B
18
Sep
At the same instant, ball A is dropped from top of a building of height h and ball B is projected vertically upward from the ground with velocity u. The ratio of velocity of A to the velocity of B At the same instant ball A is dropped from top of a building of height [...]
The loaded bucket of a crane achievers a maximum velocity 5 m/s in some time at a uniform rate and then takes half of this time to stop at a uniform rate and then takes half of this time to stop at a uniform
18
Sep
The loaded bucket of a crane achievers a maximum velocity 5 m/s in some time at a uniform rate and then takes half of this time to stop at a uniform rate and then takes half of this time to stop at a uniform The balls are released from the top of a tower of [...]
A particle is projected vertically form the ground takes time t1 = 1 s upto point A, t2 = 3 s from point A to B, and time t3 = 4 s from point B to highest point. Find the height of the middle point
18
Sep
A particle is projected vertically form the ground takes time t1 = 1 s upto point A, t2 = 3 s from point A to B, and time t3 = 4 s from point B to highest point. Find the height of the middle point A particle is projected vertically form the ground takes time [...]