Physics-
General
Easy
Question
An ideal gas is taken from state 
to state 
following three different paths as shown in 
diagram, figure Which one of the following is true?
- Work done is maximum along
- Work done is minimum along
- Work done along
work done along 
- Work done along is minimum
work done along
is minimum
The correct answer is: Work done along is minimum
=area under the curve
= minimum along
Related Questions to study
Physics-
A thermodynamical system is taken from state to state along 
and is brought back to along 
as shown in figure. Net work done during one complete cycle is given by area.
A thermodynamical system is taken from state to state along and is brought back to along as shown in figure. Net work done during one complete cycle is given by area.
Physics-General
Physics-
As shown in figure three diagrams. In which case, work done is minimum
As shown in figure three diagrams. In which case, work done is minimum
Physics-General
Physics-
In the following diagram figure two adiabates cut two isothermals at 
and 
. The value of 
is
In the following diagram figure two adiabates cut two isothermals at and . The value of is
Physics-General
Physics-
An 
transistor circuit is arranged as shown in figure. It is
An transistor circuit is arranged as shown in figure. It is
Physics-General
Physics-
The junction diode in the following circuit requires a minimum current of 1mA to be above the knee point (0.7 V) of its 
characteristic curve. The voltage across the junction diode is independent of current above the knee point, if 
, then the maximum value of 
so that the voltage is above knee point will be
The junction diode in the following circuit requires a minimum current of 1mA to be above the knee point (0.7 V) of its characteristic curve. The voltage across the junction diode is independent of current above the knee point, if , then the maximum value of so that the voltage is above knee point will be
Physics-General
Physics-
A junction diode is connected to a 10 V source and 
rheostate figure. The slope of load line on the characteristic curve of diode will be
A junction diode is connected to a 10 V source and rheostate figure. The slope of load line on the characteristic curve of diode will be
Physics-General
Physics-
The circuit shown in the figure contains two diodes each with a forward resistance of 
and with infinite backward resistance. If the battery is 3V, the current through the 
resistance (in ampere) is
The circuit shown in the figure contains two diodes each with a forward resistance of and with infinite backward resistance. If the battery is 3V, the current through the resistance (in ampere) is
Physics-General
Physics-
For the given combination of gates, if the logic states of inputs 
are as follows 
and 
, then the logic states of output 
are
For the given combination of gates, if the logic states of inputs are as follows and , then the logic states of output are
Physics-General
Physics-
The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all currents and a maximum power rating of 100 mW. What should be the value of the resistor , connected in series with the diode for obtaining maximum current?
The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all currents and a maximum power rating of 100 mW. What should be the value of the resistor , connected in series with the diode for obtaining maximum current?
Physics-General
Physics-
The following configuration of gate is equivalent to figure.
The following configuration of gate is equivalent to figure.
Physics-General
Physics-
A full wave rectifier circuit along with the input and output are shown in the figure, the contribution from the diode 
is (are)
A full wave rectifier circuit along with the input and output are shown in the figure, the contribution from the diode is (are)
Physics-General
Physics-
What is the output of the combination of the gates shown in the figure?
What is the output of the combination of the gates shown in the figure?
Physics-General
Physics-
As shown if figure, the input is across the terminals and 
and the output is across and . Then the output is
As shown if figure, the input is across the terminals and and the output is across and . Then the output is
Physics-General
Physics-
The output 
of the logic circuit shown in figure is best represented as
The output of the logic circuit shown in figure is best represented as
Physics-General
Physics-
What is the output of the gate circuit shown in figure?
What is the output of the gate circuit shown in figure?
Physics-General
