Correct Answer:- Option-A
Question19:-The headquarters of '"'Prathyaksha Raksha Daiva Sabha"
A:-Kottayam
B:-Neyyattinkara
C:-Eraviperoor
D:-Kainakari
Correct Answer:- Option-C
Question20:-Who started the publication journal called "Abhinava Kerala''?
A:-Nadaraja Guru
B:-Dr. Palpu
C:-Kumaranasan
D:-Vagbhadananda
Correct Answer:- Option-D
Question21:-Silicon has an atomic number of 14, this means the atom has 14
A:-Neutrons
B:-Electrons
C:-Protons and neutrons combined together
D:-Valence electrons
Correct Answer:- Option-B
Question22:-The most commonly used electrical conductor is
A:-Lead
B:-Tin
C:-Brass
D:-Copper
Correct Answer:- Option-D
Question23:-The opposition offered to the movement of electrons/current flow is known as
A:-Electric resistance
B:-Current
C:-Voltage
D:-None of these
Correct Answer:- Option-A

Question24:-In a meter one main scale division is 5 volts, and it is divided into 10 small scale divisions. The meter can
measure a minimum voltage of

C:-0.1V
D:-1V

Correct Answer:- Option-B
Question25:-As the field intensity (H) in the core is increased, the flux density (B)
A:-Increases
B:-Decreases
C:-Becomes zero
D:-Does not change
Correct Answer:- Option-A
Question26:-Material which can be strongly magnetised are known as materials.
A:-Paramagnetic
-Diamagnetic
C:-Ferro magnetic
D:-Pure magnet
Correct Answer:- Option-C
Question27:-What material is used for making armature core?
A:-Silicon steel
B:-Aluminium
C:-Copper
D:-Mild steel
Correct Answer:- Option-A
Question28:-The speed of a universal motor
A:-Remains constant to the applied load
B:-Is directly proportional to the applied load