Problem In Physics

Problem In Physics Physics is the subject consisting amazing facts of laws of nature with mathematical description which is experimentally proved or sometimes predicted.

20/07/2019

If an electric iron is marked 2kWand 220 v, what would be the resistance of iron element?
A)3125ohm
62.5ohm
C)125ohm
D)93.75ohm

20/07/2019

If the earth's radius reduced to half of its size without changing it's mass , how long be a single day ?
A) 24 hours
B)12hours
C)6hours
D)8hours

16/05/2019
14/07/2017

Unit conversion......
1m=100cm
1kg=1000gm
1N=10^5dyne
1J=10^7erg

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