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The rotor of a three phase induction motor is made up of Jaminated cores because :
(ಗಿ) to reduce eddy current loss (B) to reduce hysterisis loss
(C) to reduce copper loss (D) all the above

A DC Ampere hour meter can be worked on the effect of :
(A) Magnetic effect (B) Electro dynamic effect
(0) Electro magnetic effect (D) Chemical effect

The colour of lime light emitted by zine-silicate is :
(A) Blue (B) Pink
(0) Green M) Yellow

An alternating current has a maximum value of 120 Ampere. What is the instantaneous
value after 1/360 second?

(ക) 10894. ‏برق‎ 103.9 4

(ಲ) 10.39۸ (D) 1.0394
The curve representing ohms law is :

(^) Parabola (B) Hyperpola

(C) Sine function (D) 1170೩೯

The maximum permissible load in a lighting-sub circuit is :
(५) 800 watts © 850 watts
(©) 750 watts D). 900 watts

The foam factor of a sine wave is :

‎व‏ كا بق
‎त‏ رم ‎A तरः‏
‎T T‏

‎Rating on a capacitor are given as 25 micro farad, 12 V also a plus sign written near one of its
terminals from this information we can definitely say that the capacitor is :

‎(4) Electrolytic capacitor (B) Mica capacitor
(0) Ceramic capacitor (D) Paper capacitor

‎A rotating part of any alternator will be having :
(4) split rings (8) commutator
(C) slip rings (D) brushes

‎99/2015 6 A

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