Fundamentals of Electrical Engineering (PETE2103)
Petroleum Engineering - PET
Semester: First Semester
Level: 200
Year: 2018
Multiple Choke Questions (10 mrks)
1.
The voltage 2,000,000 V can be expressed in powers of 10 as:
(a) 2 mV (b) 2 kV (c) 2 MV (d) 2 GV
2.
A 4 A current charging a diel
ec
tric material will accumulate a
charge of 24 C after 6s
(a) True (b) False
3.
The voltage across a 1.1 kW toaster that produces current of 10
A is: (a) 11 kV (b) 1100 V (c) 110 V (d) 11 V
4.
Which of these is not an electrical quantity?
(a) charge (b) time (c) voltage (d) current (e) power
5.
The maximum current that a 2 W, 801(0 resistor can safely
conduct is: (a) 160 kA (b) 40 kA (c) 5 mA (d) 25µ.
6.
The resistance of a light bulb rated 60 W, 120 V is:
(a) 20Ω (b) 240 Ω (c) 2 kΩ (d) 40Ω
7.
The current i in the circuit of Fig. 1 is:
(a) -0.8 A (b) -0.2 A (c) 0.2 A (d) 0.8 A
8.
The current I
o
of Fig. 2 is:
(a) -4 A (b) -2 A (c) 4 A (d) 16 A
9.
In the circuit in Fig. 3, V is:
(a) 30 V (b) 14 V (c) 10 V (d) 6v
UNIVERSITY OF BAMENDA
NATIONAL HIGHER POLYTECHNIC INSTITUTE (SCHOOL OF ENGINEERING)
FIRST SEMESTER EXAMINATION
COURSE INSTRUCTOR: Mr. Fotso Raoul &Tchasso Serge
MONTH: June COURSE CODE & NUMBER: PETE 2103
YEAR: 2018 COURSE TITLE: Fundamentals of Electrical Engineering
DATE: Monday, 04/06/2018 TIME: 11.00-14.00
TIME ALLOWED:
3 HOURS
CREDIT VALUE:3
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10. Which of the circuits in Fig. 4 will give you V = 7 V?
QUESTION (25 mrks)
Part I (5 mrks)
Figure 5 shows the power consumption of a certain household in 1 day.
Calculate: L
1. The total energy consumed in kWh,
2.
The average power per hour
Part II (5mrks)
A battery may be rated in ampere-hours (Ah). A lead-acid battery is rated at 160
Ah.
1. What is the maximum current it can supply for 40h?
2. How many days will it last if it is discharged at 1mA?
Part III (5mrks)
The charge flowing in a wire is plotted in Fig. 6. Sketch the corresponding
current.
Part IV (10 mrks)
In the circuit of Fig. 7, obtain and v
1,
v
2
, v
3
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