Q1 : Fill the blanks by the right answer for the following: 1- This element, constructed simply of two conducting surfaces separated by the air gap, is called (A) resistor (B) inductor (C) capacitor (D) Transformers 2- The relationship between the applied voltage, the charge on the plates, and the capacitance level is defined by the following equation: Ф B Ho (A) (B) (C) (D) 3- For capacitors in parallel, the total capacitance is 1 1 C,C CT (B) C7 = G+ C Cr = C + C + C, C3 (A) C=0 (C) 4-The number of flux lines per unit area, called the flux density, is denoted by the capital letter Band is measured in (A) webers (Wb) (B) teslas (T) (C) (ampere-turns, At) (D) ampere 5- For delta-star transformation we use the eq. R, R2 RR, R = R+ R + R, R,R. R= R, + R,+ R, R1 R2 RT = R1 + R2 R3 (D) R A) В) C) 6-For the general case of a circuit having R, XL and Xc in series, the impedance will be A) Z = R+j(XL- Xc) C) Z = R+j(X1) B) Z = R - j(XL – Xc) C) Z = R+j(Xc) 7- The types of power in AC circuits are: A) Active power P, Reactive power Q, Total power S B) Total power S C) Active power P, Reactive power Q D) Active power P
Q1 : Fill the blanks by the right answer for the following: 1- This element, constructed simply of two conducting surfaces separated by the air gap, is called (A) resistor (B) inductor (C) capacitor (D) Transformers 2- The relationship between the applied voltage, the charge on the plates, and the capacitance level is defined by the following equation: Ф B Ho (A) (B) (C) (D) 3- For capacitors in parallel, the total capacitance is 1 1 C,C CT (B) C7 = G+ C Cr = C + C + C, C3 (A) C=0 (C) 4-The number of flux lines per unit area, called the flux density, is denoted by the capital letter Band is measured in (A) webers (Wb) (B) teslas (T) (C) (ampere-turns, At) (D) ampere 5- For delta-star transformation we use the eq. R, R2 RR, R = R+ R + R, R,R. R= R, + R,+ R, R1 R2 RT = R1 + R2 R3 (D) R A) В) C) 6-For the general case of a circuit having R, XL and Xc in series, the impedance will be A) Z = R+j(XL- Xc) C) Z = R+j(X1) B) Z = R - j(XL – Xc) C) Z = R+j(Xc) 7- The types of power in AC circuits are: A) Active power P, Reactive power Q, Total power S B) Total power S C) Active power P, Reactive power Q D) Active power P
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
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Fill the blanks by the right answer for the following:
![Q1 : Fill the blanks by the right answer for the following:
1- This element, constructed simply of two conducting surfaces separated by the air gap, is
called
(A) resistor
( B) inductor
(С) сарасitor
(D) Transformers
2- The relationship between the applied voltage, the charge on the plates, and the
capacitance level is defined by the following equation:
B =
A
Ho
(A)
(В)
(C)
(D)
3- For capacitors in parallel, the total capacitance is
1
1
1
C,
C + C
%3D
CT
(В)
C, = C, + Cz + C,
(D)
C,
C2
C3
(A) C= 0
(C)
4-The number of flux lines per unit area, called the flux density, is denoted by the capital
letter Band is measured in
(A) webers (Wb)
(B) teslas (T)
(C) (ampere-turns, At)
(D) ampere
5- For delta-star transformation we use the eq.
R
R2
R,R
R, = R, + R¸+
R,
R1 R2
RR
R,
R+ R2 + R3
RT
R
(D)
R
A)
В)
C)
R1 + R2
6-For the general case of a circuit having R, XL and Xc in series, the impedance will be
A) Z = R+j(XL - Xc)
C) Z = R+j(X1)
B) Z = R - j(XL – Xc)
C) Z = R+ j(Xc)
7- The types of power in AC circuits are:
A) Active power P, Reactive power Q, Total power S
B) Total power S
C) Active power P, Reactive power Q
D) Active power P](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0374135b-a519-4195-9995-1e9c755703b4%2Fb8bfb54f-14ef-474d-bf53-77b4ff128fd0%2Fw1ssvc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1 : Fill the blanks by the right answer for the following:
1- This element, constructed simply of two conducting surfaces separated by the air gap, is
called
(A) resistor
( B) inductor
(С) сарасitor
(D) Transformers
2- The relationship between the applied voltage, the charge on the plates, and the
capacitance level is defined by the following equation:
B =
A
Ho
(A)
(В)
(C)
(D)
3- For capacitors in parallel, the total capacitance is
1
1
1
C,
C + C
%3D
CT
(В)
C, = C, + Cz + C,
(D)
C,
C2
C3
(A) C= 0
(C)
4-The number of flux lines per unit area, called the flux density, is denoted by the capital
letter Band is measured in
(A) webers (Wb)
(B) teslas (T)
(C) (ampere-turns, At)
(D) ampere
5- For delta-star transformation we use the eq.
R
R2
R,R
R, = R, + R¸+
R,
R1 R2
RR
R,
R+ R2 + R3
RT
R
(D)
R
A)
В)
C)
R1 + R2
6-For the general case of a circuit having R, XL and Xc in series, the impedance will be
A) Z = R+j(XL - Xc)
C) Z = R+j(X1)
B) Z = R - j(XL – Xc)
C) Z = R+ j(Xc)
7- The types of power in AC circuits are:
A) Active power P, Reactive power Q, Total power S
B) Total power S
C) Active power P, Reactive power Q
D) Active power P
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