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A clock with a metallic pendulum gains 5 s each day at a temperature of 15 C and loses 10 S each day at a temperature of 30 C. Find the coefficient of thermal expansion of the pendulum metal.
23
Oct
A clock with a metallic pendulum gains 5 s each day at a temperature of 15 C and loses 10 S each day at a temperature of 30 C. Find the coefficient of thermal expansion of the pendulum metal. A clock with a metallic pendulum gains 5 s each day at a temperature of 15 [...]
The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along
23
Oct
The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results in the displacement of the particle along The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of π results [...]
A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal of length 45 cm expands by 0.045 cm for the same
23
Oct
A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal of length 45 cm expands by 0.045 cm for the same A metal rod of 30 cm length expands by 0.075 cm when its temperature is raised [...]
The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod and a copper cylinder laid side by side at all temperatures.
23
Oct
The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod and a copper cylinder laid side by side at all temperatures. The design of some physical instrument requires that there be a constant difference in length of 10 cm between an iron rod [...]
Calculate the stress developed inside a tooth cavity filled with copper when hot tea at temperature of 57 C is drunk. You can take body (tooth) temperature to be 37 C and alpha cu
23
Oct
Calculate the stress developed inside a tooth cavity filled with copper when hot tea at temperature of 57 C is drunk. You can take body (tooth) temperature to be 37 C and alpha cu Calculate the stress developed inside a tooth cavity filled with copper when hot tea at temperature of 57 C is drunk. [...]
A rail track made of steel having length 10 m is clamped on a railway line at its two ends (see figure). On a summer day due to rise in temperature by 20 C, it is deformed as shown in figure.
23
Oct
A rail track made of steel having length 10 m is clamped on a railway line at its two ends (see figure). On a summer day due to rise in temperature by 20 C, it is deformed as shown in figure. A rail track made of steel having length 10 m is clamped on a [...]
The figure below shown a battery with emf 15 V in a circuit with R1 = 30 (Ω), R3 = 20 (Ω and L = 3.0 H. The switch S is initially in the open position and is then closed at time t = 0. Then the graph which shows the correct variation of current through battery after switch S is closed
23
Oct
The figure below shown a battery with emf 15 V in a circuit with R1 = 30 (Ω), R3 = 20 (Ω and L = 3.0 H. The switch S is initially in the open position and is then closed at time t = 0. Then the graph which shows the correct variation of current [...]
In figure which strip brass or steel have higher coefficient of linear expansion ?
23
Oct
In figure which strip brass or steel have higher coefficient of linear expansion ? In figure which strip brass or steel have higher coefficient of linear expansion ? October 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Switch s is closed at t = 0 , in the circuit shown in figure. The change in flux in the inductor ( L = 500 mH ) from t = 0 to an instant when it reaches steady state is
23
Oct
Switch s is closed at t = 0 , in the circuit shown in figure. The change in flux in the inductor ( L = 500 mH ) from t = 0 to an instant when it reaches steady state is in the circuit shown in figure. The change in flux in the inductor ( [...]
Two coils of self inductance 100 mH and 400 mH are placed very closed to each other. Find maximum mutual inductance between the two when 4 A current passes through them.
23
Oct
Two coils of self inductance 100 mH and 400 mH are placed very closed to each other. Find maximum mutual inductance between the two when 4 A current passes through them. Two coils of self inductance 100 mH and 400 mH are placed very closed to each other. Find maximum mutual inductance between the two [...]