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We would like to increase the length of a 15 cm long copper rod of cross section 4 mm^2 by 1 mm. The energy absorbed by the rod if it is heated is E1. The energy absorbed by the rod
24
Oct
We would like to increase the length of a 15 cm long copper rod of cross section 4 mm^2 by 1 mm. The energy absorbed by the rod if it is heated is E1. The energy absorbed by the rod We would like to increase the length of a 15 cm long copper rod of [...]
A time varying voltage V = 2 t ( volt ) is applied across an ideal inductor of inductance L = 2 H as shown in figure. Then ( assume current to be zero at t = 0 )
24
Oct
A time varying voltage V = 2 t ( volt ) is applied across an ideal inductor of inductance L = 2 H as shown in figure. Then ( assume current to be zero at t = 0 ) A time varying voltage V = 2 t ( volt ) is applied across an ideal [...]
A cylindrical beer can made up of aluminium contains 500 cm^3 of beer. The area of cross section of can is 125 cm^2 at 10 C. Find the rise in level of beer if temperature of can increases
24
Oct
A cylindrical beer can made up of aluminium contains 500 cm^3 of beer. The area of cross section of can is 125 cm^2 at 10 C. Find the rise in level of beer if temperature of can increases A cylindrical beer can made up of aluminium contains 500 cm^3 of beer. The area of cross [...]
An LR circuit with a battery connected at t = 0 . which of the following quantities will be zreo just after the connection ?
24
Oct
An LR circuit with a battery connected at t = 0 . which of the following quantities will be zreo just after the connection ? An LR circuit with a battery connected at t = 0 . which of the following quantities will be zreo just after the connection ? October 24, 2020 Category: Uncategorised [...]
When current ( I ) in R- L series circuit becomes constant , where L is a pure indicator , which of the following given statements is /are correct ?
24
Oct
When current ( I ) in R- L series circuit becomes constant , where L is a pure indicator , which of the following given statements is /are correct ? When current ( I ) in R- L series circuit becomes constant where L is a pure indicator which of the following given statements is [...]
Three rods of equal length l are joined to form an equilateral triangle PQR. O is the mid point of PQ. Distance OR remains the same for small change in temperature. Coefficient of
24
Oct
Three rods of equal length l are joined to form an equilateral triangle PQR. O is the mid point of PQ. Distance OR remains the same for small change in temperature. Coefficient of Three rods of equal length l are joined to form an equilateral triangle PQR. O is the mid point of PQ. Distance [...]
Two vessel connected at the bottom by a thin pipe with a sliding plug contain liquid at 20 C and 80 C respectively. The coefficient of cubic expansion of liquid is 10^3 K^-1. The ratio
24
Oct
Two vessel connected at the bottom by a thin pipe with a sliding plug contain liquid at 20 C and 80 C respectively. The coefficient of cubic expansion of liquid is 10^3 K^-1. The ratio Two vessel connected at the bottom by a thin pipe with a sliding plug contain liquid at 20 C and [...]
A clock with a metallic pendulum at 15 C runs faster by 5 s each day and at 30 C, runs slow by 10 s. Find the coefficient of linear expansion of the metal.
24
Oct
A clock with a metallic pendulum at 15 C runs faster by 5 s each day and at 30 C, runs slow by 10 s. Find the coefficient of linear expansion of the metal. A clock with a metallic pendulum at 15 C runs faster by 5 s each day and at 30 C runs [...]
In two experiments with a continuous flow calorimeter to determine the specific heat capacity of a liquid, and input power of 16 W produced a rise of 10 K in the liquid. When the power
24
Oct
In two experiments with a continuous flow calorimeter to determine the specific heat capacity of a liquid, and input power of 16 W produced a rise of 10 K in the liquid. When the power and input power of 16 W produced a rise of 10 K in the liquid. When the power In two [...]
2 kg of ice at -15 C is mixed with 2.5 kg of water at 25 c in an insulating container. If the specific heat capacities of ice and water are 0.5 cal/g C and 1 cal/g C, find the amount of water
24
Oct
2 kg of ice at -15 C is mixed with 2.5 kg of water at 25 c in an insulating container. If the specific heat capacities of ice and water are 0.5 cal/g C and 1 cal/g C, find the amount of water 2 kg of ice at -15 C is mixed with 2.5 kg [...]