For a diode the transition capacitance was 15pF. The diode is replaced with another diode of same material with twice cross sectional area. Terminal voltage remains unchanged. The capacitance of new diode is __________

In the gate area for non-pressurized casting gating ratio a:b:c? (gating ratio = a: b: c where, a = cross-sectional area of sprue, b: cross-sectional area of runner, c = total cross-sectional area of ingates).

A

1:2:2

B

2:2:1

C

1:4:4

D

1:4:2

Two wires have the same material and have the same volume. However wire 1 had cross sectional area A and wire 2 has cross sectional area 3A. If the length of wire 1 increases by ∆x on applying force F, how much force is needed to stretch wire 2 by the same amount?

A

F

B

4F

C

6F

D

9F

A diode is replaced with another diode of different material. The ratio of relative permittivity of new material to old is 0.5. The initial capacitance was 20pF, then final capacitance will be __________

A

15pF

B

20pF

C

10pF

D

2pF

For a diode the transition capacitance was 10pF. The depletion width changed from 1µm to 10 µm. All other conditions remain unchanged. The new diode capacitance is __________

A

5pF

B

1.414pF

C

1pF

D

10pF

You install Terminal Services on a Windows 2000 domain controller. You install Terminal Services Client on users' client computers. Users report that when they try to connect to the Terminal server, they receive the following error message: "The local policy of this system does not allow you to logon interactively." When you attempt to log on to the Terminal server as an administrator from a user's computer, you log on successfully. You want users to be able to log on to the Terminal server. What should you do?

A

Grant the users the right to log on as a service

B

Grant the users the right to log on locally

C

Grant the users the right to log on over the network

D

Copy the users' prpfiles to the Terminal server

E

Copy the users' home folders to the Terminal server

In a cricket season, Bangladesh defeated Australia twice, West Indies defeated Bangladesh twice, Australia defeated West Indies twice , Bangladesh defeated New Zealand twice, West Indies defeated New Zealand twice. Which country has lost most number of times ?

A

Bangladesh

B

Australia

C

New Zealand

D

West Indies

In a cricket season, India defeated Australia twice. West Indies defeated India twice. Australia defeated West Indies twice. India defeated New Zealand twice and West Indies defeated New Zealand twice. Which country has lost most number of times?

A

India

B

Australia

C

New Zealand

D

West Indies

A well of cross-sectional area aw is connected to an inclined tube of cross-sectional area at to form a differential pressure gauge as shown in the figure below. When p1 = p2 the common liquid level is denoted by A. When p1 > p2, the liquid level in the well is depressed to B, and the level in the tube rises by l along its length such that difference in the tube and well levels is hd. The angle of inclination θ of the tube with the horizontal is

A

${\sin ^{ - 1}}\left[ {\frac{1}{{{h_d}}} - \frac{{{a_w}}}{{{a_t}}}} \right]$

B

${\sin ^{ - 1}}\left[ {\frac{{{h_d}}}{l} + \frac{{{a_t}}}{{{a_W}}}} \right]$

C

${\sin ^{ - 1}}\left[ {\frac{{{h_d}}}{l} - \frac{{{a_t}}}{{{a_w}}}} \right]$

D

${\sin ^{ - 1}}\left[ {\frac{{{h_d}}}{l} + \frac{{{a_w}}}{{{a_t}}}} \right]$

A tank of uniform cross-sectional area (A) containing liquid upto height (H₁) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H₁ to H₂ will be

A

$$\frac{{2{\text{A}}\sqrt {{{\text{H}}_1}} }}{{{{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} }}$$

B

$$\frac{{2{\text{A}}\sqrt {{{\text{H}}_2}} }}{{{{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} }}$$

C

$$\frac{{2{\text{A}}\left( {\sqrt {{{\text{H}}_1}} - \sqrt {{{\text{H}}_2}} } \right)}}{{{{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} }}$$

D

$$\frac{{2{\text{A}}\left( {{\text{H}}_1^{\frac{3}{2}} - {\text{H}}_2^{\frac{3}{2}}} \right)}}{{{{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} }}$$

Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross-sectional area has a resistance of 40 ohms the resistance of other conductor will be

A

160 ohms

B

80 ohms

C

20 ohms

D

10 ohms

For a diode the transition capacitance was 15pF. The diode is replaced with another diode of same material with twice cross sectional area. Terminal voltage remains unchanged. The capacitance of new diode is __________

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