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Recent questions tagged generator
+2
votes
1
answer
What is the slip of an induction motor during normal running?
asked
Apr 6, 2019
in
Mathematics
by
kratos
motor
exciter
generator
+3
votes
1
answer
The insulation resistance of a DC motor is observed to be 15 MΩ at a temp. of 70°C.
asked
Apr 2, 2019
in
Mathematics
by
kratos
motor
exciter
generator
+3
votes
1
answer
The r.m.*. current in an ac circuit is 2 A. If the wattless current be √3 A , what is the power factor
asked
Apr 2, 2019
in
JEE
by
kratos
electromagnetic induction
transformer
cbse
jee
jee mains
alternating current
class-12
generator
+3
votes
1
answer
What is the life insulation if temperature increased by 10°C?
asked
Mar 22, 2019
in
Mathematics
by
kratos
motor
exciter
generator
+1
vote
1
answer
With a diagram, explain the working of a transformer.
asked
Mar 10, 2019
in
Class 12
by
kratos
transformer
cbse
alternating current
class-12
generator
+2
votes
1
answer
How many types of DC motors are there?
asked
Mar 6, 2019
in
Mathematics
by
kratos
motor
dc machines
exciter
electrical maintenance
generator
+2
votes
1
answer
State the underlying principle of a transformer.
asked
Mar 5, 2019
in
Class 12
by
kratos
transformer
cbse
class-11
principles and processes
biotechnology
alternating current
class-12
generator
+3
votes
1
answer
To convert mechanical energy into electrical energy, one can use (a) DC dynamo
asked
Mar 4, 2019
in
JEE
by
kratos
electromagnetic induction
transformer
cbse
jee
electro magnetic induction
class-10
jee mains
alternating current
class-12
generator
+2
votes
1
answer
The armature of a 600 kW, 0.24 k, 1000 rpm DC generator has an indicated IR to ground of 2 MΩ at a temp. of 30°C.
asked
Feb 24, 2019
in
Mathematics
by
kratos
motor
exciter
generator
+2
votes
1
answer
Show a plot of variation of alternating emf versus time generated by a loop of wire rotating in a magnetic field.
asked
Feb 24, 2019
in
Class 12
by
kratos
transformer
cbse
alternating current
class-12
generator
+3
votes
1
answer
Ram is a student of class X in a village school. His uncle gifted him a bicycle with a dynamo fitted in it.
asked
Feb 22, 2019
in
Class 12
by
kratos
transformer
cbse
alternating current
class-12
generator
+3
votes
1
answer
The most suitable metal for making electromagnets and transformer cores is
asked
Feb 10, 2019
in
JEE
by
kratos
transformer
bsnl
cbse
magnetic effects of electric current
jee
magnetic effect of current
jee mains
magnetism
alternating current
class-12
generator
+2
votes
1
answer
(i) Draw a labelled diagram of a step-down transformer. State the principle of its working.
asked
Jan 25, 2019
in
Class 12
by
kratos
alternating current
class-12
transformer
cbse
generator
+1
vote
1
answer
Draw the transformer drying out curve and explain each stage.
asked
Jan 8, 2019
in
Mathematics
by
kratos
motor
exciter
generator
+1
vote
1
answer
What is the emf equation of alternator?
asked
Jan 7, 2019
in
Mathematics
by
kratos
motor
exciter
generator
+3
votes
1
answer
Mention the two characteristic properties of the material suitable for making core of a transformer.
asked
Dec 29, 2018
in
Class 12
by
kratos
transformer
cbse
alternating current
class-12
generator
+3
votes
1
answer
What is gap between the electrodes in transformer oil testing kit?
asked
Dec 27, 2018
in
Mathematics
by
kratos
motor
exciter
generator
+1
vote
1
answer
Direction of the alternating e.m.f. produced in the stator conductors of an alternator is given by
asked
Dec 27, 2018
in
Mathematics
by
kratos
motor
bsnl
generator
exciter
+2
votes
1
answer
State the principle of working of a transformer. Can a transformer be used to step up or step down a d.c. voltage?
asked
Dec 24, 2018
in
Class 12
by
kratos
transformer
cbse
alternating current
class-12
generator
+1
vote
1
answer
Draw a labelled diagram of a step-up transformer and explain briefly its working.
asked
Dec 22, 2018
in
Class 12
by
kratos
transformer
cbse
class-10
magnetic effect of current
icse
electromagnetism
alternating current
class-12
generator
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