The voltage V and current I graph for a conductor at two different temperatures and are shown in the figure. The relation between and is (a) (b) (c) (d)

The voltage V and current I graph for a conductor at two differen…

Which one of the following is more monocromatic?

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Magnetic field at a point on axis is equal to magnetic field at point on equator of bar magnet ratio of these distance will be __________ .

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Which of the following energy band diagram shows the N-type semiconductor

(a)

(b)

(c)

(d)

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A metallic square loop ABCD is moving in its own plane with velocity v in a uniform magnetic field perpendicular to its plane as shown in the figure. An electric field is induced

(a) In AD, but not in BC	(b) In BC, but not in AD
(c) Neither in AD nor in BC	(d) In both AD and BC

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An inductance L and a resistance R are first connected to a battery. After some time the battery is disconnected but L and R remain connected in a closed circuit. Then the current reduces to 37% of its initial value in

(a) RL sec

(b)