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| 1. |
a resis†an ce coil , wired to an external battery is placed inside a thermally insulated cylinder fitted with a frictionless piston and containing an ideal gas a current i=240mA flows through the coil which has resis†an ce 490 ohm at what cons†an t speed v must the piston of mass m =12kg move upward in order that the temperature of the gas remains unchanged (assume that 60% energy is utilised to do work by the gass and neglect work done by atm |
| Answer» a resis†an ce coil , wired to an external battery is placed inside a thermally insulated cylinder fitted with a frictionless piston and containing an ideal gas a current i=240mA flows through the coil which has resis†an ce 490 ohm at what cons†an t speed v must the piston of mass m =12kg move upward in order that the temperature of the gas remains unchanged (assume that 60% energy is utilised to do work by the gass and neglect work done by atm | |