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Some small cubes of same height 7 cm but variable length and width are put inside a large cuboid of height 21 cm. Length and width of cuboid is 32 cm and 24 cm, respectively. Small cubes are put such that cubes at the bottom most layer is of similar base area; second layer contains all the cubes of similar base area and third layer have all the cubes of similar base area. Which of the following statement(s) given below is / are TRUE? A: If side of each small cubes at bottom most layer is 8 cm, then maximum number of small cubes that can be put at bottom most layer is 12. B: If maximum of 48 cubes can be put at second layer, then side of each cube at second layer is 6 cm. C: If side of each small cubes at third layer is 1.6 cm, then maximum number of small cubes that can be put at third layer is 300.
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : Sachin's mother instructed him to return home by train if it rains heavily.

Assumptions :
I. Sachin may not be able to decide himself if it rains heavily.
II. The trains may ply even if it rains heavily.
A p-type semiconductor material is doped with ____________ impurities whereas a n-type semiconductor material is doped with __________ impurities
Heavily doped polysilicon is deposited using ____________
1. The pin diode consists of two narrow, but highly doped, semiconductor regions separated by a thicker, lightly doped material called the intrinsic region. 2. Silicon is used most often for its power-handling capability and because it provides a highly resistive intrinsic region. 3. The pin diode acts as an ordinary diode at frequencies above 100 MHz. Which of the above statements are correct?
Silicon is doped with arsenic (concentration 1020 atoms.m-3). At room temperature, the electron and hole mobilities in Si are 0.14 m2.v-1.s-1 and 0.05 m2v-1.s-1 respectively. The conductivity in (?m)-1, at room temperature for Si doped with As is
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. In a work ____________ art, each layer and texture, colour ____________ perspective creates an individualistic vision, which can mean different things to different viewers and even to its creator at different points of time. The audience does not ____________ see the struggle or uncertainty of the _____________ process, only its outcome. And sometimes, ___________ in the case of icons, the passage of time reveals the glow within. In a work ____________ art, each layer
In case of a heavily doped diode, the electric field across the depletion region is so intense to pull the electrons out of valence bands. This effect is called:
Which among the following region of a transistor is heavily doped?
The part of a transistor which is heavily doped to produce a large number of majority carriers, is