Roll Number:
VMSBUTU/SDSU/UBTER - I Continuous Internal Evaluation
ODD Semester (OCT -2025)
Department- Mechanical Engineering
Subject Name with Basic Electrical And Electronics Technology Time: 90 mts
Code: 143001
Program/ Diploma / Mechanical Engineering / 2nd MM: 30
Branch/Year:
Q. No.:1 Attempt All Questions Marks CO BCL
What is SI unit of charge?
a) 1 1 C1
Three resistance of 30 ohm each connected in Delta then value
b) 1 1 C1
of each resistance in Star connection is ………………….
Capacity of a battery is measured in ………………….
c) 1 3 C1
1 calorie is equal to…………….. Joules.
d) 1 1 C1
Internal resistance of ideal voltage source is…………….
e) 1 2 C1
In Lead acid battery Cathode is made of ……………………
f) 1 3 C1
Q. No.: 2 Marks CO BCL
Explain the construction and working of lead acid battery
a) 4 3 C2
Or
Explain the terms :
a) charge 4 2 C2
b) current
c) voltage .
What is power dissipation in resistance and specify the unit of
b) power? 4 1 C2
Or
Describe the series and parallel combination of resistance. 1
4 C2
State the Norton theorems and explain all the terms of Norton 1
c) circuit. 4 C2
OR
Write the short note on following cycle, time period, frequency
and amplitude. 4 2 C2
Roll Number:
VMSBUTU/SDSU/UBTER - I Continuous Internal Evaluation
ODD Semester (OCT -2025)
Department- Mechanical Engineering
Q. No.:3 Attempt All Questions Marks CO BCL
Explain the procedure to conversion of star to delta of
a) electrical circuit. 4 1 C3
OR
Explain form factor and peak factor. 4 2 C3
Explain different type of cell and battery.
b) 4 3 C3
OR
Explain the Ohm's law and state if there are any conditions
limitations and also write the application of Ohm's Law. 4 1 C3
State and prove maximum power transfer theorem.
c) 4 1 C3
OR
Find RAB in the circuit, given in Fig.
4 1 C3
