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Electrical Engineering - Three-Phase Systems in Power Applications

Exercise : Three-Phase Systems in Power Applications - General Questions
6.
In a Y-Y source/load configuration, the
phase current, the line current, and the load current are all equal in each phase
phase current, the line current, and the load current are 120° out of phase
phase current and the line current are in phase, and both are 120° out of phase with the load current
line current and the load current are in phase, and both are out of phase with the phase current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a Y-connected circuit, the magnitude of each line current is
one-third the phase current
three times the corresponding phase current
equal to the corresponding phase current
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A constant load power means a uniform conversion of
mechanical to electrical energy
electrical to mechanical energy
current to voltage
voltage to current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A two-phase generator is connected to two 90 load resistors. Each coil generates 120 V ac. A common neutral line exists. How much current flows through the common neutral line?
1.33 A
1.88 A
2.66 A
1.77 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A single-phase sinusoidal voltage of 120 V is connected to a 90 load. Current in the circuit is
13.3 mA
133 mA
1.33 A
6.2 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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