CS/B.Tech/EE(N)/EEE(N)/ICE(N)/PWE(N)/SEM-4/EE-402/2013
2013
ELECTRICAL & ELECTRONIC MEASUREMENT
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for any ten of the following :
10 × 1 = 10
i) When the potentiometer is balanced, the current
through the battery under test is
a) same as through the supply battery
b) 1/10th of that through the supply battery.
c) zero
d) half through the supply battery.
ii) If the secondary winding of a current transformer is
open circuited when connected in line
a) low currents are induced in the secondary
b) high voltages are induced in the secondary
c) low voltages are induced in the secondary
d) high currents are induced in the secondary.
iii) The balance obtained from a Wheatstone bridge
a) depends on the value of the supply voltage
b) independent of the supply voltage from the battery
c) depends on the resistor used
d) none of these.
iv) In a Megger, the resistance to be measured is connected
a) in series with the control coil
b) in series with deflecting coil
c) in parallel with the deflecting coil
d) in parallel with the control coil.
v) The example of integrating instrument is
a) moving coil meter
b) moving iron meter
c) tangent galvanometer
d) energy meter.