1. We can change the sequence of a three- phase system by 2. The time of transient period is 3. In the two-wattmeter method, the reactive power equals V3 (W1 - W2) / (W – W2) I (W1 + W2)} 4. In Y-Y connection, line - to - neutral voltage equals the line - to - line voltage. (wrong / true/ can be true and wrong/ cannot be determined) 5. In / over / under/ cannot be determined) 6. In a pure resistance circuit, time constant equals time of current charge or discharge. 7. We cannot use phase system. 8. In the wattmeter of a 3-p system, the current coil is connected in series-parallel / open circuit) because 9. In a series RLC transient circuit, the final voltage will be across the / inductor / cannot be determined). 10. In squential switching of a transient circuit, we can have / any number) 11. The final status of an inductor in a transient circuit (DC circuit) is open circuit / resistor / cannot be determined) ...... ... {VZ (W, – W2) / damped response, the output voltage may oscillate like a sine wave. (critical (0.25/0.5/1/0.2/0) of the complete (one / two / three / four) wattmeter only in calculating power of a three- ...** .... (series / parallel / (resistor/ capacitor of switches. (two / three / four (short circuit /

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Related questions

Question

Choose the right answer. For all the point.

1. We can change the sequence of a three - phase system by
2. The time of transient period is
3. In the two-wattmeter method, the reactive power equals
V3 (W1 - W2) / (W1 – W2) I (W + W2)}
4. In Y-Y connection, line - to - neutral voltage equals the line - to - 1line voltage. (wrong/ true /
can be true and wrong /cannot be determined)
5. In
/ over / under/ cannot be determined)
6. In a pure resistance circuit, time constant equals.
time of current charge or discharge.
7. We cannot use
phase system.
8. In the wattmeter of a 3-o system, the current coil is connected in
series-parallel / open circuit) because...
9. In a series RLC transient circuit, the final voltage will be across the
/ inductor / cannot be determined).
10. In squential switching of a transient circuit, we can have
/ any number)
11. The final status of an inductor in a transient circuit (DC circuit) is
open circuit / resistor / cannot be determined)
(T/ ST I T' / T)
{VZ (W, – W2) /
damped response, the output voltage may oscillate like a sine wave. (critical
(0.25/0.5/1/0.2/0) of the complete
(one / two / three / four) wattmeter only in calculating power of a three-
(series / parallel
(resistor / capacitor
of switches. (two / three / four
(short circuit/

Expert Solution

Step 1

A three-phase system is a system with three-phase voltages, all three voltages are separated by an angle of 120 degrees. There are different types of 3 phase connections such as star-star connection, star-Delta connection, Delta-Star connection and, Delta-Delta connection. The wattmeter is used to measure the active power in watts. Kirchhoff’s current law states that the sum of currents entering the node and leaving the node will be zero. Kirchhoff's voltage law state that the sum of voltage around any closed loop will be equal to zero. Kirchhoff's voltage law is only applicable in a planar closed loop.