What is the standard Voltage and Frequency for AC power distribution in the US?
220V, 50Hz
120kV, 60Hz
120V, 60 Hz
300V, 60Hz
According to Ohm's Law, the voltage formula is
V=IR
V=I/R
V=R/I
None of the above
Which of the following is NOT the distribution system normally used
3 phase-4 wire
3 phase-3 wire
Single phase - 3 wire
Single phase -4 wire.
Transmission efficiency increases as
Voltage and power factor both increase
Voltage and power factor both decrease
Voltage increases but power factor decreases
Voltage decreases but power factor increases.
A fuse wire should be of material that has __________ resistivity and __________ melting points.
High , Low
Low, High
Low, Low
High, High
In a 3-phase supply, floating neutral is undesirable because it may result in ……… across the load.
High voltages
Low voltages
Loss of Voltage
Unequal line voltages
In electrical circuits, transient currents are associated with
Resistors
Inductors
Capacitors
Both (b) and (c)
A circuit contains two un-equal resistances in parallel
Current is same in both
Potential difference across each is same
Large current flows in larger resistor
Smaller resistance has smaller conductance.
{"name":"Back to Basics", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Name:, What is the full form of AWG?, A circuit breaker is","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}
