Which of the following is NOT a property of magnetic field lines?

EE 2nd set greenbok

Quiz
•
Mathematics
•
University
•
Hard
Demryk Javier
FREE Resource
102 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The field is stronger where the lines are closer together.
The lines intersect surfaces of equal intensity at right angles.
Magnetic field lines have no beginning and no ends.
The lines cross themselves only at right angles.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following effects are generally less for an alternating current than for a direct current?
heating effects
chemical effects
magnetic effects
impedance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following cannot have a single unit of 100 MW?
Hydro power plant
Steam power plant
Diesel power plant
Nuclear power plant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the left hand rule, thumb always represents direction of the .
voltage
force on conductor
current
magnetic field
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three 3-ohm resistors are connected in parallel. This combination is then placed in series with another 3-ohm resistor. What is the equivalent resistance in ohm?
12
9
4
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Copper loss of a transformer are determined by means of a/an test.
open-circuit
polarity
short-circuit
inductive-circuit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is/are the main reason's for using high voltage in the transmission of power in the grid system?
I. to transmit bulk power with minimum line losses
II. Increase system reliability
II only
both I and II
either I and II
I only
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