Day 120: MHT-CET Physics

1. A.
   At resonance, current in (B) is less than that in (A)
2. B.
   The r.m.s. current in (B) can be larger than that in (A)
3. C.
   The r.m.s. current in (A) is always equal to that in (B)
4. D.
   The r.m.s. current in (B) can never be larger than that in (A)

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1. A.
   $1.6$ A
2. B.
   $1$ A
3. C.
   $0.2$ A
4. D.
   $0.4$ A

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1. A.
   A molecule in which centre of mass of positive charges does not coincide with the centre of mass of negative charges is a polar molecule.
2. B.
   They have permanent dipole moment.
3. C.
   They act as tiny electric dipoles.
4. D.
   They have symmetrical shape.

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1. A.
   work done on the charge continuously increases.
2. B.
   work is done by the charge.
3. C.
   work done on the charge is constant.
4. D.
   no work is done.

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1. A.
   $\rho Agx$
2. B.
   $2\rho Agx$
3. C.
   $3\rho Agx$
4. D.
   $4\rho Agx$

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