tag:blogger.com,1999:blog-11595430444882858332024-11-01T16:09:12.662+05:30IIT rocksdon't let your schooling education interfere with your own education...always focussed towards your dreams instead of thinking what you can achieve...Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.comBlogger29125tag:blogger.com,1999:blog-1159543044488285833.post-64110457596828552742019-07-19T22:26:00.000+05:302019-07-19T22:26:13.842+05:30 A coil having 100 turns and the area 0.2 m^-2 is placed normally in a magnetic field. the magnetic field changes from 0.20 Wbm^-2 to 0.60 Wbm^-2 at a uniform rate over a period of 0.01 s .  calculate the induced emf in the coil. Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-60709960372881536112019-07-19T22:22:00.000+05:302019-07-19T22:22:26.976+05:30 A circular coil of radius 8cm and 20 turns rotates about its vertical diameter with the angular speed of 50 s^-1 in a uniform horizontal magnetic field of magnitude 3 * 10^-2 T . find the maximum and average value of the emf induced in the coil. Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-89235350812110832352019-07-19T22:17:00.001+05:302019-07-19T22:17:57.755+05:30 Kamla paddles a stationary bicycle . the paddles of the bicycle are attached to a 100 turn coil of area 0.10 m^2 .  The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 0.01 T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil? Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-57735213748893486832019-07-19T22:13:00.000+05:302019-07-19T22:13:07.555+05:30 Derive the expression for (1) induced emf , (2) induced current  , when a conductor of length L is moved with a uniform velocity v , normal to a uniform magnetic field B .  assume the resistance of the conductor to be R. Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-26085948324567767422019-07-19T22:09:00.000+05:302019-07-19T22:09:10.401+05:30 In a 100  turn coil a magnetic flux of 8 * 10^-4 Wb is linked when a current of 2A is sent. what is the self inductance of the coil? Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-82278187048388526882019-07-19T22:05:00.002+05:302019-07-19T22:05:51.604+05:30 A circular copper disc 10cm in radius rotates at 20 pie rad/s about an axis through its centre and perpendicular to the disc. a uniform magnetic field of 0.2 T acts perpendicular to the disc.           (a) calculate the potential difference developed between the axis of the disc and the rim.          (b) what is the induced current of the Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-62450127756722130932019-07-19T22:00:00.000+05:302019-07-19T22:00:00.089+05:30 A coil Q is connected to low voltage bulb B and placed near another coil P as shown in fig. give reasons to explain the following observations. (a) the bulb 'B' lights. (b) Bulb gets dimmer if the coil Q is moved towards left. Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-28670349787485389032019-07-19T21:55:00.003+05:302019-07-19T21:55:42.088+05:30 fig. below shows planar loops of different shapes moving out of or into a region of a magnetic field which is directed normal to the plane of the loop away from the reader. determine the direction of induced current in each loop using lenz's rule. Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-88591983891762197962019-07-18T17:37:00.002+05:302019-07-18T17:37:50.206+05:30 ELECTRIC POTENTIAL AT ANY POINT DUE TO AN ELECTRIC DIPOLE........... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-76440424734309246082019-07-18T17:32:00.000+05:302019-07-18T17:32:01.294+05:30 MAGNETIC FIELD DUE TO TORROID.......... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-62671772596068666642019-07-18T17:29:00.000+05:302019-07-18T17:29:24.605+05:30 MAGNETIC FIELD DUE TO SOLENOID.......... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-25733242205750111442019-07-18T17:25:00.000+05:302019-07-18T17:25:47.228+05:30 AMPERE CIRCUITAL LAW....... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-57403053851772341722019-07-18T17:22:00.001+05:302019-07-18T17:22:41.727+05:30 MOVING COIL GALVANOMETER.......... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-67699839027706853442019-07-18T16:58:00.000+05:302019-07-18T16:58:27.547+05:30 expression for energy stored in a solenoid..... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-65413886205674326362019-07-18T16:54:00.000+05:302019-07-18T16:54:48.954+05:30 expression for self inductance of a long solenoid......... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-87058020433970517302019-07-18T16:50:00.000+05:302019-07-18T16:50:32.114+05:30 conservation of energy using lenz's rule.... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-59552819706479729002019-07-18T16:46:00.001+05:302019-07-18T16:46:16.531+05:30 Determine the direction of induced current produced in the coil if the current flowing in the wire XY is 1- constant 2- increasing 3- decreasing Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-63851159443230437342019-07-18T16:36:00.000+05:302019-07-18T16:36:51.294+05:30 LENZ'S RULE...... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-83866793605183663312019-07-18T16:32:00.002+05:302019-07-18T16:32:43.843+05:30 MAGNETIC FLUX....... Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-33520103781828483632019-07-18T16:25:00.001+05:302019-07-18T16:27:22.395+05:30 A wheel with 10 mettalic spokes each 0.5m long is rotated with a speed of 120rev/min in a plane normal to the earth's magnetic field at the place. if the magnitude of the field is 0.4 gauss  , what is the induced EMF between the axle and the rim of the wheel? Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-76209047172388724342019-06-12T00:18:00.000+05:302019-06-12T00:18:43.236+05:30Missile man of India... Dr APJ Abdul Kalam , what a great inspiring personality! his each word had a story in it. each sentence spoken by him was full of knowledge and experience. he was a great source of inspiration for youth.  simplicity is one of the best thing which one can learn from his attributes. the best thing i learned from him is that never stopping working. always stay busy since empty mind is the Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-76203220905418097102019-06-11T01:24:00.002+05:302019-06-11T12:34:14.440+05:30Why do we love programming? Imagine a magical wand , which can solve almost any problem in this world. Which can even make you rich or change your life within no time and can create anything or help people to solve their problems. And can by used by any human on this planet regardless of his/her age, caste , social status. All you need to know is how to use it. I believe programming is this magical wand. Also Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-3182163060981458152019-06-10T20:21:00.000+05:302019-06-10T20:29:13.015+05:30Mass energy equivalence... Mass-energy equivalence is the famous concept in physics represented mathematically by E=mc^2 , which states that mass and energy  are one and the same .This equation gives the amount of energy equivalent to a certain mass and is a result derived from Einstein's theory of relativity.A consequence of the mass–energy equivalence is that if a body is stationary, it still has some internal or Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-90470309294778154492019-06-09T14:52:00.000+05:302019-06-09T14:56:27.098+05:30History of india.... How India was captured by Britishers? When we think of what happened at the time of our forefathers we realised the pain through which they have gone. It might be physical pain but they were most probably being hurted to be the slave. They may be hurted to see their nation being caught by whitemans.... It was a story of general of British named Lord Macaulay who just visited to give the idea Abhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0tag:blogger.com,1999:blog-1159543044488285833.post-38936104775749360432019-06-09T00:45:00.000+05:302019-06-09T00:45:02.619+05:30Don't let problems to be a fear of life A service engineer in New York checked his email one evening and found a requisition from a company in Jacksonville, Florida . For him to come the next day to repair the machine they had purchased. The other email was from a client in Bakersfield, California, insisting that their plant had come  to a standstill and he definitely had to report there the next day for repairing the machine. HeAbhishekhttp://www.blogger.com/profile/18172560299696182329noreply@blogger.com0