Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt respectively are connected in series across a potential difference of 300 volt
Sahay Sir > Question Answers > Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt respectively are connected in series across a potential difference of 300 volt
Four identical electrical lamps are labelled 1.5 V 0.5 A which describes the condition necessary for them to operate at normal brightness. A 12 V battery of negligible internal resistance is connected to lamps as shown, then
21
Sep
Four identical electrical lamps are labelled 1.5 V 0.5 A which describes the condition necessary for them to operate at normal brightness. A 12 V battery of negligible internal resistance is connected to lamps as shown, then then Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt [...]
The resistance of a heater coil is 110 ohm. A resistance R is connected in parallel with it and the combination is joined in series with a resistance of 11ohm to a 220 volt main line. The heater operates with a power of 110 watt. The value of R in ohm is
21
Sep
The resistance of a heater coil is 110 ohm. A resistance R is connected in parallel with it and the combination is joined in series with a resistance of 11ohm to a 220 volt main line. The heater operates with a power of 110 watt. The value of R in ohm is then Two bulbs [...]
Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt respectively are connected in series across a potential difference of 300 volt, then
21
Sep
Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt respectively are connected in series across a potential difference of 300 volt, then then Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt respectively are connected in series across a [...]