An engineer measures the direct current resistance of a
transformer using ohm meter. When he/she takes out one of the
leads of the meter, spark comes.. Why ?? This effect is known
as...

Answer Posted / addicted to know electrical

The transformer wdg. is itself an inductive coil and
inductor has property to maintain current flowing when ckt
is open circuited.This effect is just
inductance...............

Is This Answer Correct ?    7 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1528


what are the basic insulation levels & what its Unit

1669


sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

2235


What Is Sampling?

964


When we need up only in o/p 440v, so why we use directly in 11kva in input?

1454






What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

759


Which power will flow first if we switch on a motor Active or Reactive? How?

4871


how to calculate the size of the HT cable

1612


What is the formula to calculate the rating of a three phase air circuit breaker

1994


What is electrical grounding?

820


Tell me about ur past electrical maintanence job

1604


What is 11 N1 and 12 N2 in single phase Transformer ?

1662


how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

2975


what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

1714


how does ELR works? explain

2325