If current in an electric bulb changes by $1\%$, then the power will change by ............ $\%$
If current in an electric bulb changes by $1\%$, then the power will change by ............ $\%$
- A
$1$
- B
$2$
- C
$4$
- D
$1/2$
Similar Questions
When three identical bulbs of $60 \;W, 200\;V$ rating are connected in series to a $200 \;V$ supply, the power drawn by them will be ....... $Watt$
When three identical bulbs of $60 \;W, 200\;V$ rating are connected in series to a $200 \;V$ supply, the power drawn by them will be ....... $Watt$
- [AIPMT 2004]
If a $2\, kW$ boiler is used everyday for $1$ hour, then electrical energy consumed by boiler in thirty days is .......... $uint$
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If $2.2\,kW$ power is transmitted through a $100\,\Omega $ line at $22,000\,V,$ the power loss in the form of heat will be ............. $W$
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Two light bulbs in the circuit have rating $A\,[24\ V, 48\,W]$ and $B\,[24\ V, 36\,W]$ as shown.
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If resistance of the filament increases with temperature, what will be power dissipated in a $220\, V- 100\, W$ lamp when connected to $110\, V$ power supply
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