3 identical bulbs are connected in series and these together dissipate a power P. If now…

Physics · Class 12 · CBSE — Current Electricity

1. \(\frac P3\)
2. 3P
3. 9P
4. \(\frac P9\)

Answer

(C) 9P

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• A light bulb is rated at 100 W for a 220 V ac supply. The resistance of the bulb is
• Kirchhoff s first rule at a junction in an electrical network, deals with conservation of
• At 1000°C the resistance of a wire is found to be four times its resistance at 0°C. The temperature…
• The current-voltage graph for a device is shown in the figure. The resistance is negative in the region:
• If two identical cells, when connected in series or in parallel, supply the same amount of current through an…
• The figure shows the voltage (V) versus the current (I) graphs for a wire at two temperatures T _1 and T _2 …
• m 2 V -1 s -1 is the SI unit of which of the following?
• Kirchhoff's first and second laws of electrical circuits are consequences of:

More Current Electricity questions · Browse all practice questions