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All posts related to Induction

Damoder
Shared from EAMCET - 1 (Engineering) on Apr 20, 2019 7:02 PM

Two identical short bar magnets, each having magnetic moment of 10 Am2, are arranged such that their axial

 
2.23 × 10–2
2.23 × 10–3
2.25 × 10–2
2.26 × 10–3
Please type your answer before submitting.

D=0.02 but why you used in formula d=0.01

Ravishanakar
Shared from Electrical Machines - 5 (Electri... on Mar 05, 2018 11:52 AM

A three-phase induction motor is operating at 0.1 slip. If it is braked by plugging, then the value of slip just after the plugging will be _____.
(Answer up to one decimal place)

 
0.1
1
1.9
zero
None of the above
Please type your answer before submitting.

Hhhhfhfhfhf

Nirmal
Shared from 5. Electromagnetic induction(12)... on Feb 25, 2018 5:31 PM
Show common data

The induced e.m.f. in a coil rotating in a uniform magnetic field depends upon

 
only on total number of turns in the coil
only on magnetic field
area of coil and speed of rotation
all of the above
Please type your answer before submitting.

Qn Error!!!!!!!!!!!!!!

Mukesh Kumar
Shared from GATE Mock Test - 1 (Electrical E... on Feb 10, 2015 12:12 PM

The starting torque of a 3- induction motor can be increased by increasing the

 
rotor resistance
rotor reactance
stator resistance
stator reactance
Please type your answer before submitting.

Torque directly proportion to( flux X current X p.f )and pf=r/z.

Channabasavaraj
Shared from Electrical Machines - 1 (One Mark) on Mar 06, 2014 7:14 PM

A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is

 
demagnetizing
magnetizing
cross-magnetizing
ineffective
Please type your answer before submitting.

Question asked is partial...