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A resistance of 20 ohm is connected to a source of an altermnating potential V = 220 sin ( 100 pie t ). The time taken by the current to change from the peak value to rms value is
27
Oct
A resistance of 20 ohm is connected to a source of an altermnating potential V = 220 sin ( 100 pie t ). The time taken by the current to change from the peak value to rms value is the voltage and current in the primary are 200 V and 2 A respectively and voltage [...]
A current is made up of two components 3 A dc component and ac component given by I = 4 sin omega t A. The effective value of current is
27
Oct
A current is made up of two components 3 A dc component and ac component given by I = 4 sin omega t A. The effective value of current is A current is made up of two components 3 A dc component and ac component given by I = 4 sin omega t A. The [...]
When a compact disc is illuminated by a source of white light, coloured lines are observed. This is due to
27
Oct
When a compact disc is illuminated by a source of white light, coloured lines are observed. This is due to coloured lines are observed. This is due to When a compact disc is illuminated by a source of white light October 27, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
The ratio of pressure of the same gas in two containers is n1T1/n2T2 where n1 and n2 are the number of moles and T1 adn T2 are respective temperatures. If the two containers are now
27
Oct
The ratio of pressure of the same gas in two containers is n1T1/n2T2 where n1 and n2 are the number of moles and T1 adn T2 are respective temperatures. If the two containers are now The ratio of pressure of the same gas in two containers is n1T1/n2T2 where n1 and n2 are the number [...]
A spherical balloon contains air at temperature T0 and pressure P0. The balloon material is such that the instantaneous pressure inside is proportional to the square of the diameter.
27
Oct
A spherical balloon contains air at temperature T0 and pressure P0. The balloon material is such that the instantaneous pressure inside is proportional to the square of the diameter. A spherical balloon contains air at temperature T0 and pressure P0. The balloon material is such that the instantaneous pressure inside is proportional to the square [...]
A vessel contains a mixture of 7 g of nitrogen and 11 g of carbon dioxide at temperature T = 300 K. If the pressure of the mixture is 1 atm ( 1 * 10^5 N/m^2), its density is
27
Oct
A vessel contains a mixture of 7 g of nitrogen and 11 g of carbon dioxide at temperature T = 300 K. If the pressure of the mixture is 1 atm ( 1 * 10^5 N/m^2), its density is A vessel contains a mixture of 7 g of nitrogen and 11 g of carbon dioxide [...]
An astronaut is looking down on earth’s surface from a space shuttle an altitude of 400 km Assuming that the astronaut’s pupil diameter is 5 mm and the wavelength of visible light is 500 nm, the astronaut will be able to resolve linear objects of the size of about :
27
Oct
An astronaut is looking down on earth’s surface from a space shuttle an altitude of 400 km Assuming that the astronaut’s pupil diameter is 5 mm and the wavelength of visible light is 500 nm, the astronaut will be able to resolve linear objects of the size of about : An astronaut is looking down [...]
One mole of an ideal gas at pressure P0 and temperature T0 is expanded isothermally to twice its volume and then compressed at constant pressure to (V0/2) and the gas is brought back
27
Oct
One mole of an ideal gas at pressure P0 and temperature T0 is expanded isothermally to twice its volume and then compressed at constant pressure to (V0/2) and the gas is brought back One mole of an ideal gas at pressure P0 and temperature T0 is expanded isothermally to twice its volume and then compressed [...]
Two identical containers A and B have frictionless pistons. They contain the same volume of an ideal gas at the same temperature. The mass of the gas in A is mA and that in B is mB.
27
Oct
Two identical containers A and B have frictionless pistons. They contain the same volume of an ideal gas at the same temperature. The mass of the gas in A is mA and that in B is mB. Two identical containers A and B have frictionless pistons. They contain the same volume of an ideal gas [...]
In an ideal transformer, the voltage and current in the primary are 200 V and 2 A respectively and voltage in secondary is 2000 V. The value of the current in secondary is
27
Oct
In an ideal transformer, the voltage and current in the primary are 200 V and 2 A respectively and voltage in secondary is 2000 V. The value of the current in secondary is In an ideal transformer the voltage and current in the primary are 200 V and 2 A respectively and voltage in secondary [...]