A room at 20 C is heated by a heater of resistance 20 ohm connected to 200 V mains. The temperature is uniform throughout the room and the heat is transmitted through a glass
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A room at 20 C is heated by a heater of resistance 20 ohm connected to 200 V mains. The temperature is uniform throughout the room and the heat is transmitted through a glass A room at 20 C is heated by a heater of resistance 20 ohm connected to 200 V mains. The temperature [...]