pulley

BITSAT 2015 Questions › Mechanics questions › pulley

in d fig shown ABCD is a fixed smooth conducting frame in horizontal plane . T is a bulb of power 100 W. P is a smooth pulley OQ is a conducting rod neglect the self inductince of the loop and resis of any part other than bulb the mass M is mooving down with const velosity 10 m/s bulb lights at its rated power due to induced emf in the loop due to earth magnetic field . find M

#Physics #Mechanics

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9 Answers

1

brinda laxmi ·2009-04-07 00:24:59

plz jaldi ans karo its urgent

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1

ANKIT GOYAL ·2009-04-07 00:31:50

use E=BLv and find the current in the circuit. Use F= ILB which will be equal to the tension= Mg

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brinda laxmi ·2009-04-07 00:33:09

but how to find current can u give d solution

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ANKIT GOYAL ·2009-04-07 00:35:29

Power=VI

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Pavithra Ramamoorthy ·2009-04-07 00:36:14

hey.. power is given.. (VI).. find I frm dat as u ve found out V(E)

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Pavithra Ramamoorthy ·2009-04-07 00:36:47

oh!!! i m late..

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ANKIT GOYAL ·2009-04-07 00:37:46

yes u r
Heeeeeeee

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brinda laxmi ·2009-04-07 07:43:59

plz give me d detailed soln frnds

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24

eureka123 ·2009-04-07 11:13:39

soln is already there in post#3 but still..............

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