Related Questions

The length of a rectangular field F is 3 km greater than the side of a square field M , and the width of field F is 3 km less then the side of field M. If the area of field M is m2 square km, what is the area of field F?
A m2 +6
B 6
C m2 - 6
D m2 +9
A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the largest field is greater than the area of the smaller field by what amount?
A 4K
B 6K
C 7K
D 8K
A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area K, then the area of the larger field is greater than the area of the smaller field by what amount ?
A 2K
B 5 K
C 6K
D 7K
A n-channel D-MOSFET with a positive VGS is operating in ___________
A the depletion-mode
B the enhancement-mode
C cut off
D saturation
The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is
A 0.3
B 0.9
C 0.03
D 0.66
The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is
A 0.1
B 0.55
C 0.95
D 1.85
If the cross-sectional area of the channel in n-channel JEFT increases, the drain current ___________
A is increased
B is decreased
C remains the same
D none of the above
A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that
A it operates much faster
B it is considerably larger
C it is controlled by voltage rather than by current, so that it requires very little current at the control terminal
D it is controlled by current rather than by voltage like a bipolar transistor.
E None of the above
The effective channel length of a MOSFET in a saturation decreases with increase in
A Gate voltage
B Drain voltage
C Source voltage
D Body voltage
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is
A Normal to both current and magnetic field
B In the direction of current
C Antiparallel to magnetic field
D In arbitrary direction

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