10.

11

18,

14.

15.

16.

The floats used in the Buchholz relay is operated by >
(ಹಿ) mercury switches (ए) ण clad switches

(0 centrifugal switches (D) flush mounting switches

A source of e.m.{. is required in order to :
(^) prevent the escape of electrons
(B) insulate the electrons from the unbalanced atoms
)© get the electrons into motion
(D) change the property of conduetance into resistance

Three resistors are connected in series across a 27 V supply. The second resistor has twice
the resistance of the first, the third resistor has three times the resistance of the second. The
voltage across the third resistor is :

കു 7 ൯ 6V

€ 9V 2) 3V

According to Fleming's L.H.R. the angle between the thumb, middle finger and forefinger
must be :

(^) 180 between any two

(18) right angle between any two

(0 all must be 45° apart

(D) mutually at right angle each other

The standard supply frequency in India 18 ;

കു 605 (8) 8008

(^) 558% (2). 4508
Luminous efficiency 08 a Fluorescent Tube is :

(ಗೆ) 30 lumen/watt (18 40 lumen/watt

(0) 60 lumen/watt (D) B0 lumen/watt

If two capacitors having capacitance C, and C, are connected in series, then the total
capacitance [Cy] of the circuit is :

കു ടമ ടര ஙு போடோ பு

(0 Cp=1/C, +1/C, © டிட்‌ பே
What is the unit of Magneto Motive Force?

(ಗ) ரஸ (B) Ampere

(C) Ampere-turns (D) Weber

108/2016 ∎ 4 A