IEC FIRST YEAR SECOND SEMESTER MIDTERM ACTUAL TEST PAPER 2026 QUESTIONS WITH SOLUTIONS GRADED A+

IEC FIRST YEAR SECOND SEMESTER
MIDTERM ACTUAL TEST PAPER 2026
QUESTIONS WITH SOLUTIONS GRADED A+

⩥ A.
True.
Answer: One, two, or three circuit lighting track is available.
A.
True
B.
False


⩥ D.
receptacle outlets.
Answer: Instructions for most dimmers state that they should not be used
to control ___.
A.
incandescent lighting
B.
track lighting
C.
valence lighting

,D.
receptacle outlets


⩥ A.
True.
Answer: Electronic dimmers are used in some installations.


A.
True
B.
False


⩥ C.
16.7.
Answer: The maximum current-carrying capacity of a 2,000 watt, 120-
volt dimmer is ___ amps.
A.
13.3
B.
20


C.

,16.7
D.
none of these


⩥ B.
VA.
Answer: Dimmers that can be used to control inductive loads such as
low-voltage lighting transformers are rated in ___.
A.
W


B.
VA


⩥ A.
I only.
Answer: The ___ supplied to the connected load increases when
batteries are connected in series.I. voltage II. current
A.
I only
B.
II only

, C.
both I & II
D.
neither I nor II


⩥ C.
1,500
20 x 75 W = 1500 W = 1500 W dimmer.
Answer: A room is to be illuminated with track lighting. Twenty track
heads (fixtures) will be installed in the track. A 75 W PAR38 lamp will
be installed in each head. The lighting is to be controlled by a dimmer.
The smallest dimmer that can be installed has a rating of ___ watts.
A.
600
B.
1,000
C.
1,500
20 x 75 W = 1500 W = 1500 W dimmer
D.
2,000


⩥ A.