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## Discussion topic: Contributed Answer/Explanation to Q. 25

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 Page 1 of 8  >  >> From: raveenasainibhondi Reply 1 of 141 Reply Subject: Contributed Answer/Explanation to Q. 25 ``` Whwn an electric power of one watt flows through a conductor for one hour, then the electrical energy flowing through the conductor is called kilowatt-hour. 1 kilowatt hour is equal to 3,600,000J. ```Posted at: Fri Dec 4 13:38:47 2009 (GMT) From: asif51 Reply 2 of 141 Reply Subject: Contributed Answer/Explanation to Q. 1 ``` CLASS2 LEVER ```Posted at: Sat Dec 12 10:33:06 2009 (GMT) From: nikhilesh94 Reply 3 of 141 Reply View replies (3) Subject: Contributed Answer/Explanation to Q. 2 ``` 2:3 ```Posted at: Sat Dec 26 13:48:12 2009 (GMT) From: nikhilesh94 Reply 4 of 141 Reply Subject: Contributed Answer/Explanation to Q. 2 ``` 2:3(MGH) ```Posted at: Sat Dec 26 13:48:29 2009 (GMT) From: nikhilesh94 Reply 5 of 141 Reply Subject: Contributed Answer/Explanation to Q. 2 ``` 2:3(mgh) ```Posted at: Sat Dec 26 13:48:40 2009 (GMT) From: nikhilesh94 Reply 6 of 141 Reply Subject: Contributed Answer/Explanation to Q. 7 ``` sine of the angle of incidence to the sine of the angle of reflection is always a constant ```Posted at: Sat Dec 26 13:50:02 2009 (GMT) From: nikhilesh94 Reply 7 of 141 Reply Subject: Contributed Answer/Explanation to Q. 8 ``` black ```Posted at: Sat Dec 26 13:51:17 2009 (GMT) From: slash22 Reply 8 of 141 Reply Subject: Contributed Answer/Explanation to Q. 12 ``` Given below The maximum displacement of a particle from its mean position when energy is transferred through it. ```Posted at: Wed Jan 13 13:00:14 2010 (GMT) From: slash22 Reply 9 of 141 Reply Subject: Contributed Answer/Explanation to Q. 13 ``` The number of vibrations in a substance per second ```Posted at: Wed Jan 13 13:00:43 2010 (GMT) From: slash22 Reply 10 of 141 Reply View replies (1) Subject: Contributed Answer/Explanation to Q. 15 ``` In a plane mirror, energy is lost. Total I.R.-No loss in energy. ```Posted at: Wed Jan 13 13:01:37 2010 (GMT) From: slash22 Reply 11 of 141 Reply Subject: Contributed Answer/Explanation to Q. 16 ``` A. Since the slope if VI graph is lesser for an object in parallel resistance, because it has lesser resistance. ```Posted at: Wed Jan 13 13:03:11 2010 (GMT) From: slash22 Reply 12 of 141 Reply Subject: Contributed Answer/Explanation to Q. 17 ``` Neutral & Live wires. ```Posted at: Wed Jan 13 13:03:36 2010 (GMT) From: slash22 Reply 13 of 141 Reply Subject: Contributed Answer/Explanation to Q. 18 ``` Live wire ```Posted at: Wed Jan 13 13:03:52 2010 (GMT) From: slash22 Reply 14 of 141 Reply Subject: Contributed Answer/Explanation to Q. 19 ``` Singly ionized He atom. ```Posted at: Wed Jan 13 13:04:21 2010 (GMT) From: slash22 Reply 15 of 141 Reply Subject: Contributed Answer/Explanation to Q. 20 ``` Doubly-ionized He atom. ```Posted at: Wed Jan 13 13:04:38 2010 (GMT) From: slash22 Reply 16 of 141 Reply Subject: Contributed Answer/Explanation to Q. 23 ``` Since the latent heat of fusion of steam is higher than that that of water. ```Posted at: Wed Jan 13 13:05:25 2010 (GMT) From: slash22 Reply 17 of 141 Reply Subject: Contributed Answer/Explanation to Q. 26 ``` W=Force x displacement x cos theta (W=Fd cos0) I have put theta as 0. ```Posted at: Wed Jan 13 13:08:26 2010 (GMT) From: slash22 Reply 18 of 141 Reply Subject: Contributed Answer/Explanation to Q. 27 ``` Light energy to chemical energy. ```Posted at: Wed Jan 13 13:09:08 2010 (GMT) From: slash22 Reply 19 of 141 Reply Subject: Contributed Answer/Explanation to Q. 28 ``` Electric energy to chemical energy. ```Posted at: Wed Jan 13 13:09:25 2010 (GMT) From: slash22 Reply 20 of 141 Reply Subject: Contributed Answer/Explanation to Q. 29 ``` n = MA/VR x 100% ```Posted at: Wed Jan 13 13:10:11 2010 (GMT) Page 1 of 8  >  >>