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Amiel Ronito Bontes 
Dashboard  My courses  2023-1 Basic Electrical Engineering  11 January - 17 January  Quiz No. 1 Finals
Started on
State
Completed on
Time taken
Grade
Question 1
Saturday, 13 January 2024, 10:00 PM
Finished
Saturday, 13 January 2024, 10:01 PM
1 min 16 secs
1.40 out of 10.00 (14%)
Partially correct
Mark 0.05 out of 1.00
The equation for an alternating current is i = 77 sin314t. Find the peak Value.
a. 314
b. 60
c. 77
Your answer is partially correct.
The correct answer is:
77
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Question 2
Partially correct
Mark 0.05 out of 1.00
The equation for an alternating current is i = 77 sin314t. Find the Frequency.
a. 60 hz
b. 50 hz
c. 120 hz
Your answer is partially correct.
The correct answer is:
50 hz
Question 3
Correct
Mark 1.00 out of 1.00
The equation for an alternating current is i = 77 sin314t. Find the time period.
a. 0.03 sec
b. 0.02 sec
c. 0.01 sec
Your answer is correct.
The correct answer is:
0.02 sec
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Question 4
Partially correct
Mark 0.05 out of 1.00
The equation for an alternating current is i = 77 sin314t. Find the instantaneous value at t = 2mS
a. 24.45 A
b. 52.44 A
c. 45.24A
Your answer is partially correct.
The correct answer is:
45.24A
Question 5
Partially correct
Mark 0.05 out of 1.00
A 400mH coil of negligible resistance is connected in an AC circuit in which an effective current of 6mA is
flowing. Find the voltage across the coil if the frequency is 100 Hz.
a. 15.072V
b. 24.45 V
c. 45.24V
Your answer is partially correct.
The correct answer is:
15.072V
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Question 6
Partially correct
Mark 0.05 out of 1.00
The Maximum value of the current with a smooth sinusoidal is 250 A. What is the magnitude of the rms
value of the current.
a. 177V
b. 220V
c. 110V
Your answer is partially correct.
The correct answer is:
177V
Question 7
Partially correct
Mark 0.05 out of 1.00
24 pieces of 100mH inductors are connected in series. Solve for the total inductive reactance if the
frequency is 12 Hz.
a. 181 ohms
b. 58.4 ohms
c. 3.8 ohms
Your answer is partially correct.
The correct answer is:
181 ohms
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Question 8
Partially correct
Mark 0.05 out of 1.00
24 pieces of 1000 micro farad capacitors are connected in series. Solve for the total inductive capacitance if
the frequency is 12 Hz.
a. 2.44 ohms
b. 3.8 ohms
c. 0.55 ohms
Your answer is partially correct.
The correct answer is:
0.55 ohms
Question 9
Partially correct
Mark 0.05 out of 1.00
If the answer of problem 7 and 8 are connected in series what is the total combined reactance?
a. 182.1 farad
b. 182.1 henry
c. 182.1 ohms
Your answer is partially correct.
The correct answer is:
182.1 ohms
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Question 10
Incorrect
Mark 0.00 out of 1.00
a. 6.934 angle 16.31
b. 6.934 angle 96.31
c. 6.934 angle -16.31
Your answer is incorrect.
The correct answer is:
6.934 angle -16.31
◄ Ohm's Law
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