Description : The domain in a gallium-arsenide semiconductor has what type of electrical field when compared to the other regions across the body of a semiconductor?
Last Answer : A field of much greater intensity.
Description : Workability of concrete is inversely proportional to (A) Time of transit (B) water-cement ratio (C) The air in the mix (D) Size of aggregate
Last Answer : Answer: Option A
Description : The time it takes a light induced carrier travel across the depletion region of the semiconductor. ∙ A. dispersion ∙ B. response time ∙ C. irradiance ∙ D. transit time
Last Answer : D. transit time
Description : Is the current flow through an inductor directly proportional or inversely proportional to its inductance value?
Last Answer : Directly proportional.
Description : In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid (A) Is inversely proportional to the resistance across which the drop occurs (B) And the wall are proportional to individual resistances (C) And the wall is not related (D) None of these
Last Answer : (B) And the wall are proportional to individual resistances
Description : In a shell and tube heat exchanger, (A) The temperature drops in the two fluids and the wall are proportional to individual resistances (B) The temperature drop is inversely proportional to ... ) There is no relationship between temperature drop and resistance (D) The relationship is not generalised
Last Answer : (A) The temperature drops in the two fluids and the wall are proportional to individual resistances
Description : According to Bernoulli's equation for steady ideal fluid flow (A) Principle of conservation of mass holds (B) Velocity and pressure are inversely proportional (C) Total energy is constant throughout (D) The energy is constant along a streamline but may vary across streamlines
Last Answer : Answer: Option D
Description : What characteristic of a transistor is varied in a semiconductor-reactance modulator?
Last Answer : Collector-to-emitter capacitance.
Description : The Doppler variation is directly proportional to what radar contact characteristic?
Last Answer : Velocity.
Description : Pick out the wrong statement. (A) Copper is the metal having the highest electronic conductivity (B) Hardenability & Weldability of metals are inversely related (C) Covalent bonding formed by ... all semiconductor materials (D) Glass transition temperature applies to 'polymers' but not to 'glasses'
Last Answer : Option A
Description : Workability of concrete is directly proportional to (A) Aggregate cement ratio (B) Time of transit (C) Grading of the aggregate (D) All of above
Last Answer : Answer: Option C
Description : How do you feel about James Gunn being rehired by Disney to direct Guardians of the Galaxy 3?
Last Answer : I think the firing was an overreaction. People should be allowed to mistakes. It shouldn’t ruin their prospects for life. I’m glad to see they’ve gotten over the hysteria.
Description : Draw the constructions of Gunn diode and explain its working.
Last Answer : Construction: When a dc bias of value equal or more than the threshold field (of about 3.3kV/cm) is applied to an n-type GaAs sample, the charge densities and electric field within ... device. The fundamental frequency in MHz is given by: drift velocity and L=device length in µm.
Description : Gunn diode is a: (1) Negative resistance device (2) Positive resistance device (3) High noise device (4) Low frequency device
Last Answer : Gunn diode is a: Negative resistance device.
Description : The periodic time of a body moving in Simple Harmonic Motion is a.Directly proportional to its angular velocity b.Directly proportional to the weight of the body c.Inversely proportional to ... d.Directly proportional to the momentum of swinging body e.Inversely proportional to the angular velocity
Last Answer : e. Inversely proportional to the angular velocity
Description : If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is (A) 0 (B) 1 (C) 2 (D) 3
Last Answer : (D) 3
Description : Contour interval is (A) Inversely proportional to the scale of the map (B) Directly proportional to the flatness of ground (C) Larger for accurate works (D) Larger if the time available is more
Last Answer : (A) Inversely proportional to the scale of the map
Description : Time factor for a clay layer is (A) A dimensional parameter (B) Directly proportional to permeability of soil (C) Inversely proportional to drainage path (D) Independent of thickness of clay layer
Last Answer : (B) Directly proportional to permeability of soil
Description : Degree of consolidation is (A) Directly proportional to time and inversely proportional to drainage path (B) Directly proportional to time and inversely proportional to square of drainage path (C ... to time (D) Directly proportional to square of drainage path and inversely proportional to time
Last Answer : Answer: Option B
Description : Pressure is inversely proportional to _______. a) force b) thrust c)surface area d)time
Last Answer : c)surface area
Description : How do uhf tubes counter the effects of transit time?
Last Answer : By reducing the spacing between tube elements.
Description : What effect does transit time have on a conventional triode operated at uhf frequencies?
Last Answer : It causes the control grid to short to the cathode
Description : Trade-offs between competing effects are necessary for high speed response. Which competing effect (fast transit time, low capacitance, or high quantum efficiency) requires a thin active area?
Last Answer : Fast transit time.
Description : What causes dc bias energy to be absorbed by avalanche electrons and given up to the microwave field applied to an avalanche transit-time diode?
Last Answer : The negative-resistance property.
Description : What is the junction arrangement of the original avalanche transit-time diode?
Last Answer : Pnin.
Description : How does transit time affect the relationship of the grid voltage and the plate current at high frequencies?
Last Answer : Transit time causes the grid voltage and plate current to be out of phase
Description : Let the only force acting on two bodies be their mutual interactions. If both bodies start from rest, the distances travelled by each will be a a.proportional to the respective masses of the ... masses of the bodies e.inversely proportional to the square of the respective masses of the bodies
Last Answer : c. inversely proportional to the respective masses of the bodies
Description : if pressure P is inversely proportional to volume (V) at constant temperature, then PV is constant (True/False)
Last Answer : if pressure P is inversely proportional to volume (V) at constant temperature, then PV is constant (True/False)
Description : The activity of a nucleus is inversely proportional to its half of average life. Thus, shorter the half life of an element, greater is its radioactivi
Last Answer : The activity of a nucleus is inversely proportional to its half of average life. Thus, shorter the half life of an ... 0.001 B. 1 C. 0.999 D. 0.1
Last Answer : The activity of a nucleus is inversely proportional to its half of average life. Thus, shorter the half life of an ... n)` D. `t_(1//2) lambda In 2`
Last Answer : The activity of a nucleus is inversely proportional to its half of average life. Thus, shorter the half life of an ... stable? A. I B. II C. III D. IV
Description : If the substrate concentration is much below the km of the enzyme, the velocity of the reaction is (A) Directly proportional to substrate concentration (B) Not affected by enzyme concentration (C) Nearly equal to Vmax (D) Inversely proportional to substrate concentration
Last Answer : Answer : A
Description : The velocity of sound is ….. the density of the medium. (a) Directly proportional to (b) Inversely proportional to (c) Directly proportional to the square root of (d) Inversely proportional to the square root of
Last Answer : Ans:(d)
Description : The frequency of vibration of a stretched string is _______ its length. (a) Directly proportional to (b) Inversely proportional to (c) Directly proportional to the square of (d) Independent of
Last Answer : Ans:(b)
Description : Average density of the Earth (a) Is directly proportional to g (b) Is inversely proportional to g (c) Does not depend on g (d) Is a complex function of g
Last Answer : Ans:(c)
Description : The demand curve shows that price and quantity demanded are - (1) directly related only (2) directly proportional and also directly related (3) inversely proportional and aslo inversely related (4) inversely related only
Last Answer : (3) inversely proportional and aslo inversely related Explanation: Law of demand states that consumers buy more of a good when its price is lower and less when its price is higher. It states that ... good demanded by the consumer will be negatively correlated to the change in the price of the good.
Description : What is Hooke's Law? (1) Stress is inversely proportional to strain. (2) Stress is directly proportional to strain. (3) Stress and strain are dependent on each other. (4) Stress and strain are independent of each other.
Last Answer : (2) Stress is directly proportional to strain. Explanation: Hooke's law is a principle of physics that states that the force (F) needed to extend or compress a spring by some distance X scales linearly with respect to that distance.
Description : What is Hooke’s Law? (1) Stress is inversely proportional to strain. (2) Stress is directly proportional to strain. (3) Stress and strain are dependent on each other. (4) Stress and strain are independent of each other.
Last Answer : (2) Stress is directly proportional to strain. Explanation: Hooke’s law is a principle of physics that states that the force (F) needed to extend or compress a spring by some distance X scales linearly with respect to that distance.
Description : Acceleration is – (1) Inversely proportional to force (2) Inversely proportional to mass (3) Directly proportional to mass (4) Directly proportional to force
Last Answer : (1) Inversely proportional to force Explanation: Acceleration, in physics, is the rate of change of velocity of an object with respect to time. An object's acceleration is the net result of ... second law of motion states that acceleration is directly proportional to net force when mass is constant.
Description : The resistance of a conductor is inversely proportional to its - (1) temperature (2) resistivity (3) area of cross section (4) length
Last Answer : (3) area of cross section Explanation: The resistance of a current carrying conductor is inversely proportional to the area of cross section of the conductor. This is because the resistance occurs due to the collision of electrons/charged particles.
Description : Surface tension is inversely proportional to temperature and?
Last Answer : Pressure
Description : How does the electric field strength of a standard broadcast station vary with the distance from the antenna? A. The field strength of a standard broadcast station vary with the distance from ... the distance from the antenna D. The field strength varies inversely as the distance from the antenna
Last Answer : D. The field strength varies inversely as the distance from the antenna
Description : As per Gilliland's equation, the diffusivity is (A) Directly proportional to 'T 1.5 ' (B) Inversely proportional to 'P' (C) Dependent on the molecular volume & molecular weight of components (D) All 'a', 'b' & 'c'
Last Answer : (D) All 'a', 'b' & 'c'
Description : Resultant force acting on object and rate of change of linear momentum are A. inversely related B. not related at all C. directly related D. directly proportional
Last Answer : directly related
Description : Kepler's 3rd law states that... A. the periods of revolution of the planets are proportional to the cube of their mean distances from sun B. the periods of revolution of the planets ... periods of revolution of the planets are inversely proportional to the cube of their mean distance from sun
Last Answer : the squares of the periods of revolution of the planets are proportional to the cube of their mean distance from sun
Description : Boyle's law states that A. pressure of a gas is inversely proportional to its volume i.e. P V = constant B. pressure of a gas is directly proportional to its volume i.e. P⁄V = constant C. ... of a gas is directly proportional to the square of its volume i.e. P ⁄ V² = constant
Last Answer : pressure of a gas is inversely proportional to its volume i.e. P × V = constant
Description : Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth ... center of the Earth D. directly proportional to the distance from the center of the Earth
Last Answer : directly proportional to the distance from the center of the Earth
Description : Hooke's law states that A. the extension is proportional to the load when the elastic limit is not exceeded B. the extension is inversely proportional to the load when the elastic limit is not ... is independent of the load when the elastic limit is not exceeded D. load is dependent on extension
Last Answer : the extension is proportional to the load when the elastic limit is not exceeded
Description : Extension and applied force are A. directly proportional B. inversely proportional C. are independent of each other D. inversely related
Last Answer : inversely related