Two different loops are concentric and lie in the same plane. The current in the outer loop is clockwise and increasing with time. The induced current in the inner loop then, is
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(a) Clockwise |
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(b) Zero |
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(c) Counter clockwise |
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(d) In a direction that depends on the ratio of the loop radii |
(c) Counter clockwise
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From the following equations, pick out the possible nuclear reactions
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(a) |
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(b) |
|
(c) |
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(d) |
The value of angle of dip is zero at the magnetic equator because on it
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(a) V and H are equal |
(b) The value of V and H is zero |
|
(c) The value of V is zero |
(d) The value of H is zero |
(1) The product of a volt and a coulomb is a joule.
(2) The product of a volt and an ampere is a joule/second.
(3) The product of volt and watt is horse power.
(4) Watt-hour can be measured in terms of electron volt.
State if
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(a) All four are correct |
(b) (1), (2) and (4) are correct |
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(c) (1) and (3) are correct |
(d) (3) and (4) are correct |
The basic magnetization curve for a ferromagnetic material is shown in figure. Then, the value of relative permeability is highest for the point
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(a) P |
(b) Q |
(c) R |
(d) S |
The error in measuring the current with a tangent galvanometer is minimum when the deflection is about
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(a) 0o |
(b) 30o |
(c) 45o |
(d) 60o |
On the bombardment of neutron with Boron. a-particle is emitted and product nuclei formed is
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(a) |
(b) |
(c) |
(d) |
