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A block of mass m hangs from a smooth fixed pulley p1 by an inextensible string filled with two springs of stiffness k1 and k2. The string passes over a movable smooth light pulley p2 which is connected with another ideal spring of stiffness
03
Sep
A block of mass m hangs from a smooth fixed pulley p1 by an inextensible string filled with two springs of stiffness k1 and k2. The string passes over a movable smooth light pulley p2 which is connected with another ideal spring of stiffness Find the time period of oscillation of the block of mass [...]
In Fig. , AB is a 1 m long uniform wire of 10Ω resistance. Other data are shows in the figure. Calculate (i) potential gradient along AB and (ii) length of AO when galvanometer shows no deflection.
03
Sep
In Fig. , AB is a 1 m long uniform wire of 10Ω resistance. Other data are shows in the figure. Calculate (i) potential gradient along AB and (ii) length of AO when galvanometer shows no deflection. AB is a 1 m long uniform wire of 10Ω resistance. Other data are shows in the figure. [...]
Find the time period of oscillation of the block of mass m in case (1) and (2). Consider the pulleys are light and small.
03
Sep
Find the time period of oscillation of the block of mass m in case (1) and (2). Consider the pulleys are light and small. Find the time period of oscillation of the block of mass m in case (1) and (2). Consider the pulleys are light and small. September 3, 2020 Category: Uncategorised (JEE Advanced [...]
Potentiometer wire PQ of 1 m length is connected to a standard cell E1. Another cell, E2 of emf 1.02 V is connected with a resistance r and a switch S open, null position is obtained at a distance of 51 cm from P Calculate (i) potential gradient of the potentiometer wire and (ii) emf of the cell E1 (iii) when switch S closed will mull point move toward P or toward Q ? Given reason for your answer ?
03
Sep
Potentiometer wire PQ of 1 m length is connected to a standard cell E1. Another cell, E2 of emf 1.02 V is connected with a resistance r and a switch S open, null position is obtained at a distance of 51 cm from P Calculate (i) potential gradient of the potentiometer wire and (ii) emf [...]
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E2 of emf 1.02 V is connected with a resistance r and a switch S open ,
Figure shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R=10.0Ω is found to be 58.3 cm ,
Potentiometer wire PQ of 1 m length is connected to a standard cell E1. Another cell ,
while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ϵ? ,
A particle P of mass m is placed on a smooth horizontal surface is attached to three identical springs A, B and C each of force constant K as shown in figure. If the particle is pushed slightly against spring A and released.
03
Sep
A particle P of mass m is placed on a smooth horizontal surface is attached to three identical springs A, B and C each of force constant K as shown in figure. If the particle is pushed slightly against spring A and released. A particle P of mass m is placed on a smooth horizontal [...]
A voltage V0 is applied to a potentiometer whose sliding constant is exactly in the middle. A voltmeter V is connected between the sliding constant and one fixed end of the potentionmeter. If is assumed that the resistance of the voltmeter is not very high in comparison to the resistance of the potentiometer wire. What voltage will the voltmeter show : higher than, less than, or equal to V0/2?
03
Sep
A voltage V0 is applied to a potentiometer whose sliding constant is exactly in the middle. A voltmeter V is connected between the sliding constant and one fixed end of the potentionmeter. If is assumed that the resistance of the voltmeter is not very high in comparison to the resistance of the potentiometer wire. What [...]
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Figure shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R=10.0Ω is found to be 58.3 cm ,
while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ϵ? ,
The system shown in the figure can move on a smooth surface. The spring is initially compressed by 6 cm and then released. Find (a) time period (b) amplitude of 3 kg block (c) maximum momentum of 6 kg block.
03
Sep
The system shown in the figure can move on a smooth surface. The spring is initially compressed by 6 cm and then released. Find (a) time period (b) amplitude of 3 kg block (c) maximum momentum of 6 kg block. Figures (a) and (b) represent spring- block system. If m is displaced slightly find the [...]
Figure shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5V cell. The balance point of the cell in open circuit is 76.3cm. Whan a resistor of 9.5Ω is used in the external circuit of the cell, the balance point shifts to 64.8 cm, length of the potentiometer. Determine the internal resistance of the cell.
03
Sep
Figure shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5V cell. The balance point of the cell in open circuit is 76.3cm. Whan a resistor of 9.5Ω is used in the external circuit of the cell, the balance point shifts to 64.8 cm, length of the potentiometer. Determine the [...]
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Figure shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R=10.0Ω is found to be 58.3 cm ,
while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ϵ? ,
Figure shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R=10.0Ω is found to be 58.3 cm, while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ϵ?
03
Sep
Figure shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R=10.0Ω is found to be 58.3 cm, while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell [...]
Tags:
Figure shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R=10.0Ω is found to be 58.3 cm ,
while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ϵ? ,
Two identical balls A and B each of mass 0.1 kg are attached to two identical massless springs. The spring-mass system is constrained to move inside a rigid smooth pipe bent in the form of a circle as shown in figure. The pipe is fixed in a horizontal plane.
03
Sep
Two identical balls A and B each of mass 0.1 kg are attached to two identical massless springs. The spring-mass system is constrained to move inside a rigid smooth pipe bent in the form of a circle as shown in figure. The pipe is fixed in a horizontal plane. Figures (a) and (b) represent spring- [...]