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CBSE Class 10 Answered

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Asked by palaksophia | 09 Sep, 2009, 09:24: PM
Expert Answer

The scope of the help desk is to answer subject related queries only...anyways both the authors are good, u may opt for any of them.

Answered by | 18 Sep, 2009, 02:21: PM

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CBSE 10 - Physics
Two wires of copper have the same length but cross-sectional area in the ratio of 3:1. The resistance of the thicker wire is 12 ohm. (a) Calculate the resistance of the thinner wire. (b) Find the equivalent resistance of both these wires, when they are connected (1) in series (ii) parallel (c) If both the wires are connected in parallel to a battery of 24 volt, then find out the ratio of heat produced in the thicker wire to the thinner wire identify the wire if both of them are connected to the same source for the same time duration.
Asked by swetalinasamantaray022 | 20 Jan, 2023, 10:54: AM
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CBSE 10 - Physics
When a glass rod is rubbed with a piece of silk it acquires +10 micro coulomb of charge. How many electrons have been transferred from glass to silk?
Asked by rcgm729 | 02 Jan, 2023, 10:17: PM
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CBSE 10 - Physics
What is reflection
Asked by vpitliya42 | 21 Nov, 2022, 01:21: PM
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CBSE 10 - Physics
active attachment
Asked by ruparus | 04 Nov, 2022, 09:52: PM
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CBSE 10 - Physics
if one microampere current flows through a conductor for 10 seconds how many electrons will pass at the point of cross section
Asked by ruparus | 03 Nov, 2022, 10:02: PM
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CBSE 10 - Physics
In a household five tube lights of 40 volt each are used for 5 hours and electric press of 500 volt for 4 hours everyday. Calculate the total energy consumed by the tubelight and press in a month of 30 days
Asked by ksheluka41 | 03 Nov, 2022, 05:33: PM
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CBSE 10 - Physics
& Resistances of three resistors are given as R, = 10 2, R= 20 2 and R, = 30 12. Calculate the effective resistance when they are connected in series. Also calculate the current flowing when the combination is connected to a 6 V battery.
Asked by agrimabhatt | 01 Nov, 2022, 12:26: AM
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CBSE 10 - Physics
If sun emmit yellow light so how it turns into white when it enters in earth atmosphere and if the question is ansewable then does it happens in other planets too
Asked by ak23012007 | 25 Oct, 2022, 09:50: PM
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CBSE 10 - Physics
What is the detailed definition of Nuclear Fission? I tried understanding it with diagrams and I was unable to do so. Please help out if possible. Thank you.  
Asked by skvszerosix.zz | 04 Oct, 2022, 03:50: PM
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CBSE 10 - Physics
Answer of the question below
Asked by bhu.joshi54 | 08 Aug, 2022, 07:36: PM
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