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M3 - QUIZ NO. 2

Total câu hỏi: 20

Worksheet time: 13mins

Tên
Lớp học
Ngày
1.

it is the phasor diagram of inductive AC Circuit.

a)
b)
c)
d)
2.

The current will not begin to flow until the voltage has reached its maximum value and the current wave then rises while the voltage falls to zero.

a)

Pure Capacitive A.C Circuit

b)

Pure Inductive A.C Circuit

c)

Pure Resistive A.C Circuit

d)

All of the above

3.

The waveform diagram of two waves In-Phase with angle of 0 degree

a)
b)
c)
d)
4.

It is used in electrical applications where the angle of the vector represents phase shift between waveforms.

a)

Phasor

b)

Vector

c)

Phase shift

d)

Waveform

5.

The waveform diagram of VA Lags VB  by 90 degree.

a)
b)
c)
d)
6.

A phasor diagram is used to show the phase relationships between two or more sine waves having the same:

a)

Direction

b)

Magnitude

c)

Frequency

d)

Time

7.

it is the phasor diagram of capacitive AC Circuit.

a)
b)
c)
d)
8.

It is relationship of current and voltage in resistive circuit:

a)

i α\alpha v

b)

i = v

c)

i \angle v

d)

i Σ\Sigma v

9.

The waveform diagram of VA Leads VB  by 90 degree.

a)

b)

c)

d)

10.

It opposes the flow of current through a circuit.

a)

Capacitance

b)

Inductance

c)

Resistance

d)

Reactance

11.

it is the phasor diagram of resistive AC Circuit.

a)

b)

c)

d)

12.

Phasor is a quantity that has:

a)

Magnitude

b)

Direction

c)

Magnitude and Direction

d)

Magnitude and Space

13.

The waveform diagram of two waves in opposite phase with angle of 180 degree.

a)
b)
c)
d)
14.

Phase relationship between current and voltage waves is opposite to inductive circuit.

a)

Pure Capacitive A.C Circuit

b)

Pure Inductive A.C Circuit

c)

Pure Resistive A.C Circuit

d)

All of the above

15.

The ​ (a)   “LAGS” the applied ​​ ​ (b)   by 90 degrees

Chọn từ dưới đây
current
voltage
time
angle
16.

it is the phasor diagram of two waves in opposite phase with angle of 180 degree.

a)
b)
c)
d)
17.

Inductance Is the property of generating an ​ (a)   .

Chọn từ dưới đây
e.m.f
current
resistance
coil
18.

When the current ​ (a)   , voltage also decrease.

Chọn từ dưới đây
decrease
increase
equal
unequal
19.

The ​ (a)   LEADS the applied ​ (b)   by 90 degrees

Chọn từ dưới đây
current
voltage
resistance
time
20.

Capacitance starts to charge, the voltage across its plates is ​ (a)  

Chọn từ dưới đây
zero
maximum
minimum
90