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The method of connecting the negative pole of battery to $\mathit{p}\;$- material and positive pole to $\mathit{n}\;$-material of a $\mathit{p-n}\;$ junction is called .................... connection.
jeemain
eamcet
physics
1991
fitb
q23
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asked
Sep 11, 2013
by
meena.p
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Sep 12, 2013
by
meena.p
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0
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0
answers
A car tyre has air at 1.5 atm at 300 K. If $\mathit{P}\;$ increases to 1.75 atm with $\mathit{V}\;$ same. The temperature will be ............... .
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q5
0
votes
0
answers
A particle of mass $4 \;m $ which is at rest explodes into three fragments. Two of the frangements each of mass $\mathit{m}\;$ are found to move with a speed of $\mathit{v}\;$ each in mutually perpendicular direction. The total energy released in the process is ................ .
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q22
0
votes
0
answers
To minimize spherical aberration two lenses of focal length $\mathit{f_1}\;$ and $\mathit{f_2}\;$ are placed with a distance of separation equal to .................. .
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q19
0
votes
0
answers
A body freely falling from rest has a velocity $\mathit{v}\;$ after it falls through a distance $\mathit{h}\;$. The distance it has to fall down further, for its velocity to become double, is .................. times $\mathit{h}\;$.
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q14
0
votes
0
answers
A simple harmonic oscillation is represented by the equation $\gamma =0.40 \sin \bigg[\large\frac{40\;t}{7}$$+0.61\bigg]$ where $\gamma$ and $\mathit{t}\;$ are in meters and seconds respectively. The value of time period is ........... sec.
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q20
0
votes
0
answers
A body of mass $\mathit{m}\;$ thrown horizontally with velocity $\mathit{v}\;$, from the top of tower of height $\mathit{h}\;$, touches the level of ground at a distance of 250 m from the foot of the tower. A body of mass $2\mathit{m}\;$, thrown horizontally with velocity $\mathit{v/}\;2$, from the top of a tower of height $4\mathit{\;h}\;$ will touch the level ground at a distance .................. meters from the foot of the tower.
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q18
0
votes
0
answers
A railway truck of mass $\mathit{m}\;= 2 \times 10 ^4\;kg$ travelling at $0.5\; m/s$ collides with another of half of its mass moving in opposite direction with a velocity $0.4\; m/s $. If they collide each other the combined velocity is ................... m/s.
asked
Sep 11, 2013
by
meena.p
jeemain
eamcet
physics
1991
fitb
q12
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