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Consider the following statements regarding JFET: 1. The relationship between the drain current and gate-to-source voltage of a JFET is a nonlinear. 2. The minimum current for JFET occurs at pinch-off voltage defined by VGS = VP. 3. A current controlled device is one in which a current defines the operating conditions of the device. Which of the above statements are correct?
Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant.
Assertion (A): A JFET can be used as a current source.
Reason (R): In beyond pinch off region the current in JFET is nearly constant.
Rural life refers to the life of the people living in villages and under developed areas.Some of the facilities of town life are not available in the rural sides . Many people from rural come to the city for for studying or for earning a living as there is no proper education facilities available in the rural areas. There are many advantages as well as disadvantages when it comes to the rural life.  Which of the following, if true, would strengthen the conclusion about the advantages of rural life? 
Some of the physical and functional advantages of optical fiber communication are mentioned here. Select the option which tells about the functional advantages of optical fiber communication. I. The transmission bandwidth of the fiber optic cables is higher than the metal cables. II. Since these cables are di-electric, no spark hazards are present. III. Fibre optic cables last longer than copper cables. IV. The amount of data transmission is higher in fiber optic cables. V. Fibre optic cables are immune to electromagnetic interference. VI. These are not affected by electrical noise.
Consider the following advantages of optical fiber-cables : 1. Small diameter 2. Immunity to cross talk and electromagnetic interference.  3. Laser and LED modulation methods to lend themselves ideally to digital operation.  Which of these advantages are correct?
The advantages of an LVDT is/are: 1. Linearity 2. Infinite resolution 3. Low Hysteresis Which of the above advantages is/are correct?
Consider the following advantages of rotary pumps compared to reciprocating pumps: 1. Steady discharge which increases with decrease in head 2. Suitable for handling fluids with suspended solid particles 3. Less bulky than positive displacement pumps 4. Can be started with open delivery with least load Which of the above advantages are correct?
Consider the following advantages with respect of HVDC transmission: 1. Long distance transmission 2. Low cost of transmission 3. Higher efficiency Which of the above advantages are correct?
Consider the following advantages of a distributed winding in a rotating machine: 1. Better utilization of core as a number of evenly placed small slots are used 2. Improved waveform as harmonic emf’s are reduced 3. Diminished armature reaction and efficient cooling Which of the above advantages are correct?