141 questions
1
Mixed
Moderate
PYQ
+1.0
-0.33
Trickle charging of a storage battery helps to:
2
Mixed
Moderate
PYQ
+1.0
-0.33
The lowest scale probe suitable for measuring 250V DC using a CRO with I/P limit of 30V is:
3
Mixed
Moderate
PYQ
+1.0
-0.33
How many diodes are required to build a full wave rectifier from a Centre Tap transformer?
4
Mixed
Moderate
PYQ
+1.0
-0.33
For normal operation of NPN transistor:
5
Mixed
Moderate
PYQ
+1.0
-0.33
The main purpose of flux in soldering is to:
6
Mixed
Moderate
PYQ
+1.0
-0.33
Choose the type of cable used for domestic appliances from the given options.
7
Mixed
Moderate
PYQ
+1.0
-0.33
Induced low voltage on metal equipment which causes low shock can be prevented using:
8
Mixed
Moderate
PYQ
+1.0
-0.33
How is a Lissajous pattern created?
9
Mixed
Moderate
PYQ
+1.0
-0.33
Grooves in cleat wiring are made of____________________________.
10
Mixed
Moderate
PYQ
+1.0
-0.33
‘What happens when back EMF of a DC motor vanishes suddenly?