The operating temperature of the filament of lamp is 2000∘C. The temperature coefficient of the material of the filament is 0.005∘C−1. If the atmospheric temperature is 0∘C
Sahay Sir > Question Answers > The operating temperature of the filament of lamp is 2000∘C. The temperature coefficient of the material of the filament is 0.005∘C−1. If the atmospheric temperature is 0∘C
An ideal gas is filled in a closed rigid and thermally insulated container. A coil of 1000 ohm resistor carrying current 1 A for 5 min supplies heat to the gas . The change in internal energy of the gas is
17
Nov
An ideal gas is filled in a closed rigid and thermally insulated container. A coil of 1000 ohm resistor carrying current 1 A for 5 min supplies heat to the gas . The change in internal energy of the gas is The operating temperature of the filament of lamp is 2000∘C. The temperature coefficient of [...]
Three similar light bulbs are connected to a constant voltage dc supply as shown in figure. Each bulb operates at normal brightnesand the ammeter (of negligible resistance ) registers a steady current . The filament of one of the bulbs breaks. what happens to the ammeter reading and to the brightness of the remaining bulbs ?
17
Nov
Three similar light bulbs are connected to a constant voltage dc supply as shown in figure. Each bulb operates at normal brightnesand the ammeter (of negligible resistance ) registers a steady current . The filament of one of the bulbs breaks. what happens to the ammeter reading and to the brightness of the remaining bulbs [...]
The operating temperature of the filament of lamp is 2000∘C. The temperature coefficient of the material of the filament is 0.005∘C−1. If the atmospheric temperature is 0∘C, then the current in the 100 W−200 V lamp when it is switched on is nearest to
15
Nov
The operating temperature of the filament of lamp is 2000∘C. The temperature coefficient of the material of the filament is 0.005∘C−1. If the atmospheric temperature is 0∘C, then the current in the 100 W−200 V lamp when it is switched on is nearest to The operating temperature of the filament of lamp is 2000∘C. The [...]