plz answer this question now it's urgent ......
both the questions plz
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let resistance of each bulb is Y.
total resistance in first case =Y/3
IN second case Y/2
as pot applied is same so I×R value won't change so.
3x Y/3=I Y/2...... means I=2x
total resistance in first case =Y/3
IN second case Y/2
as pot applied is same so I×R value won't change so.
3x Y/3=I Y/2...... means I=2x
Jahnavi028:
what I how added
OK talk to u after 30 minutes
answer for another one also okay plz help for that also
now
can't u come after 30 minutes
R1/R2=l1/l2 soR1/6=70/100soR2=42/10=4.2ohm
khushhhh
talk me later
can u write it and the pic now plz
pic kis pr baijoon
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