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@ sridhar u can use the following formula to get the right answer ., f = bq / 2m pie no need of potential and proton energy . by solving u will get 2vmev = ½ m v square u will get v from their 20 kv...
Since the area vector and magnetic field are in same direction. Thus the total torque on the coil is 0.
For first question . your relative velocity wrt to electron is 0 but you have relative velocity wrt to photons. So answer is A For second question. As it is CONDUCTOR electric field inside is 0....
ans given as tan-1(3/2) --------------------------------------------------------------------------------------------------------------------------------------------------------------
Snow rule states that if the currresnt is flowing in an electric circuit from south to north directiom and a megnetic compass is placed over the conducting wire the needle of the compass deflects the...
But the solution to this question given says that since the angular speed is different thus centripetal force for both the trains will be different. I could not get this answer. Is it incorrect?
As charge is quantized, according to Gauss’s law the net flux enclosed by a surface, the summation should be zero. which is the contradiction here as the flux lines are radial and hence passing...
Hello, U have mentioned above the figure . But i found no attachment here. I request U to plz upload the figure. Cheers!
@ piyush the derivation is a little bit complex at your class 12 th level , so, u need to only remmeber the formula , nothing else , with diagram , the ques in exam will ask you about the direct...
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