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CBSE Class 10 Answered

1. An electric lamp is marked 20W, 220V. It is used 10 hours daily. Calculate a. Its resistance while glowing. b. Number of units consumed every day
Asked by Gurleen Kaur | 17 Jun, 2011, 05:00: AM
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Answered by | 17 Jun, 2011, 11:12: AM

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CBSE 10 - Physics
write ohm's law for electric circuit. Also write the necessary formula for this .
Asked by khajannirwan | 27 Feb, 2024, 10:20: PM
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CBSE 10 - Physics
find Req
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Asked by sakshikatewa0 | 08 Feb, 2024, 12:48: PM
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CBSE 10 - Physics
Will a current carrying conductor produce an electric field?
Asked by saanviyadla | 24 Jan, 2024, 07:06: PM
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CBSE 10 - Physics
resistivity
Asked by kamalaranjanmohantymohanty5 | 06 Jan, 2024, 10:05: AM
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CBSE 10 - Physics
find the new resistance of wire length l area of cross section A if it is folded 4 times
Asked by nandhikasugumar | 05 Oct, 2023, 04:01: PM
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CBSE 10 - Physics
finding the net resistance  
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Asked by daniya062008 | 02 Oct, 2023, 08:25: PM
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CBSE 10 - Physics
the resistance of a wire of 0.01 cm radius is 10 ohm.if the resistivity of the material of the wire is 50*10^-8 ohm meter find the length of the wire
Asked by prassanna.j | 03 Sep, 2023, 12:28: PM
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CBSE 10 - Physics
Nichrome wire of length L and radius R has resistance 10 ohm.How would the resistance of the wire change when: only diameter of the wire is doubled?Justify 
Asked by prassanna.j | 03 Sep, 2023, 12:21: PM
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CBSE 10 - Physics
The resistance of a resistor is kept constant and the potential difference across its two ends is decreased to half of its former value.State the change that will occur in the current through it.
Asked by prassanna.j | 03 Sep, 2023, 12:13: PM
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CBSE 10 - Physics
A given length of a wire is doubled of itself and this process is repeated once again.By what factor does the resistance of the wire changes?
Asked by prassanna.j | 03 Sep, 2023, 12:11: PM
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