17.

18.

19.

20,

21.

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23.

24.

28.

‘Whenever the magnetic flux linking with a conductor changes, an e.m.f. is induced in that
conductor. The above statement is due to :

(A) Weber and Ewing's law

(B) Faraday’s law of electrolysis

(0൫ Coulomb's law

(D) Faraday’s law of electromagnetic induction

According to Steinmentz Hysterisis law, the hysteresis loss in a material is proportional to :

@ By ©
(© 8“ o B2

Which of the following is not a diamagnetic material?
ക ക്ഷ (B) Water
(C) Glass (D) Sulpur

Which series MCBs are designed to protect circuits with inductive loads?
(A) L series MCB (B} G series MCB
(¢) AC series MCB (D) DC series MCB

Qut of the four metal/alloys given below, one has almost no change in resistance for change in
temperature :

(ಹ) Nickel (8) Nichrome

(C) Manganin (D) Platinum

As per the recommendation of BIS and NEC, the minimum clearance between the ceiling and
the plane of the blades of the ceiling fan shall not be less than :

(ಗ) 300 mm (B) 1300 mm

(0 2400 mm (D) 200 mm

To control one lamp from three places we use :
(^) 3 one way switches
(B) 2 two way switches and 1 one way switch
(€) 3 two way switches
(D) 2two way switches and 1 intermediate switch

In simple veltaic ടേ], zine plate is amalgamating with mercury to prevent :

(A) Local action (B) Polarization
(C) Buckling (D) Sulphation
In a parallel plate capacitor, if a dielectric slab is introduced, the p. d. between plates will :
(ಯ) remains the same (B) decrease
(C) increase (D) லங zero
5 108/2016

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