A bulb has specification of one kilowatt and $250\, volts$, the resistance of bulb is .................. $\Omega$
A bulb has specification of one kilowatt and $250\, volts$, the resistance of bulb is .................. $\Omega$
- A
$125$
- B
$62.5$
- C
$0.25$
- D
$625$
Similar Questions
Three electric bulbs of $200\,W,\,\,200\,W$ and $400\,W$ are shown in figure. The resultant power of the combination is ................ $W$
Three electric bulbs of $200\,W,\,\,200\,W$ and $400\,W$ are shown in figure. The resultant power of the combination is ................ $W$
A $5.0\, amp$ current is setup in an external circuit by a $6.0\, volt$ storage battery for $6.0$ minutes. The chemical energy of the battery is reduced by
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For ensuring dissipation of same energy in all three resistors $({R_1},\,{R_2},\,{R_3})$ connected as shown in figure, their values must be related as
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- [AIIMS 2005]
The current flowing through a lamp marked as $50\, W$ and $250\, V$ is ............. $amp$
The current flowing through a lamp marked as $50\, W$ and $250\, V$ is ............. $amp$
If $X, Y$ and $Z$ in figure are identical lamps, which of the following changes to the brightnesses of the lamps occur when switch $S$ is closed?
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