Physics-
General
Easy
Question
A student records 
for a thermodynamic cycle 
. Certain entries are missing. Find correct entry in following options
The correct answer is:
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A resistance coil connected to an external battery is placed inside an adiabatic cylinder fitted with a frictionless piston and containing an ideal gas. A current i flows through the coil which has a resistance R. At what speed must the piston move upward in order that the temperature of the gas remains uchanged? Neglect atmospheric pressure
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Considered the thermodynamics cycle shown on PV diagram. The process 
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An ideal gas undergoes a thermodynamics cycle as shown in figure. Which of the following graphs represents the same cycle?
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Three processes compose a thermodynamics cycle shown in the PV diagram. Process 
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takes place at constant volume, and process 
is adiabatic. During the complete cycle, the total amount of work done is 10 J. During process , the internal energy decrease by 20J and during process , 20 J of work is done on the system. How much heat is added to the system during process ?
Three processes compose a thermodynamics cycle shown in the PV diagram. Process takes place at constant temperature. Process takes place at constant volume, and process is adiabatic. During the complete cycle, the total amount of work done is 10 J. During process , the internal energy decrease by 20J and during process , 20 J of work is done on the system. How much heat is added to the system during process ?
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Two identical vessels A & B contain equal amount of ideal monoatomic gas. The piston of A is fixed but that of B is free. Same amount of heat is absorbed by A & B. If B's internal energy increases by 100 J the change in internal energy of A is
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A gas takes part in two processes in which it is heated from the same initial state 1 to the same final temperature. The processes are shown on the P-V diagram by the straight line 1-2 and 1-3. 2 and 3 are the points on the same isothermal curve. Q1 and Q2 are the heat transfer along the two processes. Then
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A ideal monoatomic gas is carried around the cycle ABCDA as shown in the fig. The efficiency of the gas cycle is
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Three processes form a thermodynamic cycle as shown on P-V diagram for an ideal gas Process 1 → 2 takes place at constant temperature (300K).Process takes place at constant volume During this process 40J of heat leaves the system Process is adiabatic and temperature T3 is 275K. Work done by the gas during the process
is
Three processes form a thermodynamic cycle as shown on P-V diagram for an ideal gas Process 1 → 2 takes place at constant temperature (300K).Process takes place at constant volume During this process 40J of heat leaves the system Process is adiabatic and temperature T3 is 275K. Work done by the gas during the process
is
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A thermodynamic cycle takes in heat energy at a high temperature and rejects energy at a lower temperature. If the amount of energy rejected at the low temperature is 3 times the amount of work done by the cycle, the efficiency of the cycle is
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physics-General
