241) Zero
1.
A circular coil carries current i in direction shown.ABCDECFA is a fig. of 8 lying on a plane which is inclined @ 45deg. to the plane of circular coil.then modulus of \oint_{abcdecfa}^{}{}B.dl=?
a.0 b.2\mui c.\mui/√2 d.√2ui
2.
PQSU is a non conducting frame fixed in a region of uniform B as shown.AC is a semicircular conductor of resistance R/which can slide on the frame towards left or right . A soap film of surf.tens.T is created in AQSC.A steady current flows in AC such that the surface energy of the soap buuble is maintained.P.d =Va-Vc=? a.TR/pi.B b.-piTR/B c.2TR/pi.B
d.-2TR/B
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UP 0 DOWN 0 0 4
