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CBSE Class 10 Answered

electricity numerical
Asked by | 27 Jan, 2009, 06:23: PM
answered-by-expert Expert Answer

Since power of heater is given and it is connected to supply of 220V, so current through it is 2000/220 = 100/11A

The remaining current that can flow is 15A - 100/11 = 65/11A

This current has to flow through x bulbs.

Current through 1 bulb = 100/220

So total current through x bulbs = 65/11

65/11 = x ( 100/220)

Find x

Answered by | 28 Jan, 2009, 03:48: PM
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