# How many volts are in the power lines?

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How many volts are in the power lines?

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In tuned power lines, on load :  (A) the receiving end voltage is numerically equal to the sending end voltage  (B) the receiving end current is numerically equal to the sending end current  (C) there is no voltage drop  (D) all the above

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how can we express 0.40 kV in volts?

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A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are :  (A) less than 66 kV (B) lie between 66 kV and 110 kV (C) more than 165 kV (D) lie between 110 kV and 165 kV

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In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

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The purpose of guard ring in transmission lines is to  (1) reduce the earth capacitance of the lowest unit. (2) increase the earth capacitance of the lowest unit. (3) reduce the transmission lines losses. (4) reduce the reactance of the line

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How does electricity get from the power plant to your home?

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Corona loss in transmission lines can be reduced by (A) using small diameter conductors (B) using bundled conductors (C) using less spacing between conductors (D) increasing the transmission line voltage

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Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

1 answer 14 views

Which of the following is the name given to the lines of electric force which move so that its beginning traces a closed curve on a positive surface and its end traces a corresponding closed curve on the negative surface? A) Tube of surface B) Tube of lines C) Tube of force D) Tube of electricity

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How many watts does a power plant produce?

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What are the components of a power system?

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Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

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Why ACSR conductor is used for overhead lines?

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What are interconnected power system?

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What is sag in power system?

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What is meant by feeder in power system?

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What is microgrid in power system?

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What is power system planning?

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How many amps do you need for a house?

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How do you find power in a circuit?

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Two 100W, 200V lamps are connected in series across a 200V supply. The total power consumed by each lamp will be in Watts

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Capacitors for power factor correction are rated in?

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Discuss how power factor tariff results into energy conservation.

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How can we improve power factor using synchronous motor?

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How much electricity is produced by a power plant?

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How can power loss be reduced?

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How do you calculate power loss?

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How much power does an Arduino use?

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How do you power an Arduino?

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How do you measure power factor?

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How often do power surges occur?

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How to make power bank from laptop battery cells?

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How does a capacitor improve power factor?

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How many non-overlapping channels are available in IEEE 802.11b

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In case of a ‘High Voltage DC’ transmission, how many minimum conductors are required?

1 answer 22 views

The main disadvantages of having poor power factors are:  (A) High cost of station and distribution equipment (B) Poor voltage regulation (C) High energy loss in conductor (D) All of the above