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Navam 27/05/2016 in  GATE Coaching classes

The unit of capacitance is ………..

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Sabna 27/05/2016 in  GATE Coaching classes

A capacitor is a device to store ………….

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Sumit 27/05/2016 in  GATE Coaching classes

The number of electric lines of force originating from 1 coulomb charge is …………..

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R

Raghav 27/05/2016 in  GATE Coaching classes

Non polar molecule is ………….

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Siddhant 27/05/2016 in  GATE Coaching classes

Polar molecule is …………..

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E

Elnaz 27/05/2016 in  GATE Coaching classes

The magnitude of the induced dipole moment p is directly proportional to ……………

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N

Neha 27/05/2016 in  GATE Coaching classes

The equation for the capacitance of a parallel plate capacitor with a dielectric is……..

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S

Sowmitra 27/05/2016 in  GATE Coaching classes

When three capacitors C1 , C2 and C3 are connected in parallel, then C p = …….

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V

Vinay 27/05/2016 in  GATE Coaching classes

Greater the radius of a conductor, ………… is the charge density.

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D

Durgesh 27/05/2016 in  GATE Coaching classes

Van de Graaff generator produces a potential in the order of ………..volt.

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M

Madhu 27/05/2016 in  GATE Coaching classes

LIike charges ………… and unlike charges ……………. each other.

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K

Krishnat 27/05/2016 in  GATE Coaching classes

If there are 3 electrons in a body, then the total charge of the body q = …………….

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Y

Yogesh 27/05/2016 in  GATE Coaching classes

The permittivity of a medium is ……………

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S

Shubham 27/05/2016 in  GATE Coaching classes

The total number of electric lines of forces from a point charge 9 C in free space is N = …

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G

Garima 27/05/2016 in  GATE Coaching classes

The equation for the torque on an electric dipole is …………….

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H

Hardik 27/05/2016 in  GATE Coaching classes

Electric potential energy is of a system of 3 C and 6 C separated by 18 cm is ……

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A

Anmol 27/05/2016 in  GATE Coaching classes

The capacitances of a parallel plate capacitor with and without dielectric are 90 µF and 9 µF. Then ? r is

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M

Meraj 27/05/2016 in  GATE Coaching classes

In micro wave oven, …………. are used..

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R

Ravindra 27/05/2016 in  GATE Coaching classes

An electric dipole contains charges – 3 C and +3 C separated by 1 nm. The dipole moment is

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B

Benjamin 27/05/2016 in  GATE Coaching classes

The work done in moving a charge between any two points on an equipotential surface is …

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S

Saritha 20/05/2016 in  GATE Coaching classes

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Palachuru replied | 31/05/2016

because of power factor

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Chaitanya replied | 20/06/2016

motor has defined power factor and the rating has been mentioned in KW . That's why we are rated Motor in kW or HP (kilowatts/ Horsepower) instead of kVA. also, Motor is a device which converts Electrical power into Mechanical power

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Aakanksha 20/05/2016 in  GATE Coaching classes

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Debajyoti replied | 31/05/2016

Ah stands for Ampere hour and it has dimensions of charge as you can see from Q= It , whereas VA would be a unit of electrical power, which hasn"t much relevance for a battery.
Don't get me wrong, I'm not at all saying a battery having 100Ah rating means it has charge stored in it; rather the 100Ah rating means the battery can supply 100 A to a load for 1hour .

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Chaitanya replied | 20/06/2016

The amp-hour is a unit of battery energy capacity, equal to the amount of continuous current multiplied by the discharge time, that a battery can supply before exhausting its internal store of chemical energy,and this cannot be measured by VA.

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Sreedevi 20/05/2016 in  GATE Coaching classes

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Abhishek Patil replied | 26/05/2016

AC changes their polarity up to 50 (f = 50 Hz) or 60 (f = 60 Hz) per second.It is not possible for a battery to change their terminals with the same speed Hence we cannot store AC in a battery

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Chaitanya replied | 20/06/2016

AC changes their polarity up to 50 (f = 50 Hz) or 60 (f = 60 Hz) per second.It is not possible for a battery to change their terminals with the same speed Hence we cannot store AC in a battery.

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Boyina.bala 20/05/2016 in  GATE Coaching classes

How to determine the size of elastomeric bearings?

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Raman replied | 11/06/2016

The design of elastomeric bearings is based on striking a balance between the provision of sufficient stiffness to resist high compressive force and the flexibility to allow for translation and rotation movement.

The cross sectional area is normally determined by the allowable pressure on the bearing support. Sometimes, the plan area of bearings is controlled by the maximum...  more»
The design of elastomeric bearings is based on striking a balance between the provision of sufficient stiffness to resist high compressive force and the flexibility to allow for translation and rotation movement.

The cross sectional area is normally determined by the allowable pressure on the bearing support. Sometimes, the plan area of bearings is controlled by the maximum allowable compressive stress arising from the consideration of delamination of elastomer from steel plates. In addition, the size of elastomeric bearings is also influenced by considering the separation between the structure and the edge of bearing which may occur in rotation because tensile stresses deriving from separation may cause delamination. The thickness of bearings is designed based on the limitation of its horizontal stiffness and is controlled by movement requirements. The shear strain should be less than a certain limit to avoid the occurrence of rolling over and fatigue damage. The vertical stiffness of bearings is obtained by inserting sufficient number of steel plates. «less

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Bhawna 20/05/2016 in  GATE Coaching classes

What is the advantage of sliding bearings over roller bearings?

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Pramod replied | 27/05/2016

More contact Area in sliding bearing.

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