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
Last Answer : A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are : lie between 66 kV and 110 kV
How to Install an Above Ground Pool
Last Answer : How to Install an Above Ground Pool Having an above the ground pool would be a nice addition to your house. It can be a source of fun and recreation. There is even a good variety of above the ground ... for you to clean and balance out the pool's water. This should be done before you swim in it.
How to Ground an Outlet
Last Answer : How to Ground an Outlet The industry standard for electrical outlets is that they must be grounded. On older homes and appliances, electrical outlets installed on the wall may not be grounded at all ... you can replace the old-fashioned electrical system in your home and replace it with safe ones.
Describe the concept of virtual ground with reference to op-Amp.
Last Answer : Virtual ground concept:-In circuit point A is virtual ground. Figure shows inverting amplifier using op-amp. In this circuit non-inverting terminal is connected to the actual ground. Due to ... zero potential without actually grounding is known as virtual ground concept. Circuit diagram:
If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then (A) zero sequence currents are present on both sides of the transformer (B) ... side (D) zero sequence currents are present on the primary side but not on the secondary side
Last Answer : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then zero sequence currents are absent on both sides of the transformer
On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?
Last Answer : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be zero at its upper end.
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?
Last Answer : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.
The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be?
Last Answer : The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be at the slot edge where coil enters or comes out of the slot.
Last Answer : The ground wire should not be smaller than No 10 copper.
necessity of transmission of electricity.
Last Answer : Because of following points there is necessity of transmission of power: 1. Electrical load on power system is not concentrated at one place but it is widely spread. 2. Load ... to the point of actual utilization of it (consumers) for this purpose transmission electricity is necessary.
Describe the concept of Ferro electricity. Explain the application of Ferro electric material
Last Answer : The ferroelectric material has an electric dipole moment and it is spontaneously polarized. They have high dielectric constant which is nonlinear because it is dependent on the intensity of ... used in condensers to concentrate considerable quantities of electric energy within a small space.
List at least two examples that show how static electricity can be generated.
Last Answer : Examples of how static electricity can be generated include combing your hair, walking across a carpeted room, or sliding two pieces of plastic across each other.
The consumer of electricity could be : (A) Domestic (B) Agricultural (C) Industrial and Commercial (D) All of the above
Last Answer : The consumer of electricity could be : (A) Domestic (B) Agricultural (C) Industrial and Commercial (D) All of the above
The Central Electricity Regulatory Commission (CERC) is mainly responsible for: (A) Regulating tariffs for generation and inter-state transmission of energy including tariffs (B) Advising the government on ... (C) Efficiency and economy in the electricity industry (D) All of the above
Last Answer : The Central Electricity Regulatory Commission (CERC) is mainly responsible for: (A) Regulating tariffs for generation and inter-state transmission of energy including tariffs (B) Advising the government on ... (C) Efficiency and economy in the electricity industry (D) All of the above
As per Electricity Act, ____________means any line which is used for carrying electricity for any purpose. (A) Electric line (B) Transmission line (C) All of the above (D) None of the above
Last Answer : As per Electricity Act, Electric line means any line which is used for carrying electricity for any purpose.
What kinds of materials can not electricity pass through?
Last Answer : Electricity is generated at electrical power generation station.
Last Answer : Rubber is a insulator it do not allow flow of current so electricity can not flow through rubber.
Last Answer : No. Wood is an insulator and it doesn't free electrons to flow in it.
How much is your electricity bill per year in your home?
Last Answer : Our yearly electric bill in the PNW is $2,400. We have no gas. We have a heat pump and we maintain a small heated indoor pool (7’ X 14’ X 4’). In the winter the pool room is the warmest room in the house.
How much natural gas, coal, etc does it take to generate enough electricity for every electric car in America?
Last Answer : That depends mainly on how quickly America converts away from generating energy using gas and coal. See for example the article: How much more energy will the US need to electrify everything?
Who made electricity?
Last Answer : Electricity was discovered, not made. And while plenty of scientists worked on related projects—some even going back to ancient times—Benjamin Franklin usually gets the credit for its discovery.
Are you putting up Christmas lights this year or trying to save electricity?
Last Answer : I put up some lights, electric, not battery. Batteries are a bear to dispose. It’s Christmas, have fun with it.
What would the world be like today if electricity had been invented / discovered / harnessed in the 8th century?
Last Answer : Well…would have saved a lot of heads rolling into baskets if they had the electric chair at their “disposal.” lol
Do you think electricity is a temporary luxury for humanity?
Last Answer : I think electricity is here at least until we find a viable substitue. Unforseen is just that, so we can’t predict for that. I believe we must and will rely more heavily on wind and solar power, but I imagine it will be a pretty long time before we give up electricity as it is used currently.
My overpriced Manhattan apartment pays for water but not electricity.
Last Answer : answer:Assuming this isn’t a joke. Your landlord would notice the spike in water usage and investigate. And you couldn’t make enough power for more than a lightbulb. And that is iffy. But part of me thinks you are trying to slam Obama in some mental-midget sort of way. Carry on.
Do the electrical vampires we all have really use that much electricity?
Last Answer : answer:Yes, you should be concerned. Studies show that standby consumption is 10-15% of total household electricity consumption. The newer the appliance, the better the chance it harbors a ... less than one watt when not charging or operating the appliance. Roanoke Valley Coll Cities Coalition
How come when the electricity is down telephones still work (even cell phones)
Last Answer : If it is a cordless phone it won’t work. Only the basic plug into the phone jack kind work. It all runs on low voltage, not amperage. That said, if in some places the phone wires are above ground and are cut I think it will also cut service.
What are your thoughts about wireless electricity?
Last Answer : It’s a reality, but I think it will take time before it is commercialized.
I have a question about electricity/wiring...
Last Answer : John, First you must shut off the main breaker to the house!You will lose in a battle with the power co.If you put a male end on a cord keeping the black as hot/white neutral and ... Emergency ONLY! Be careful!Electricity treated improperly WILL KILL you and at the very least cause a fire! Steve
How secure is our electricity grid?
Last Answer : Considering its huge size, the vast area it covers, the remoteness of much it and the lack of even basic fencing in these remote areas, I would say it is highly susceptible. But much of the ... cross coverage so I would imagine it would take breaches at many locations to make a significant impact.
Does flicking a light switch on and off really waste electricity? Does it start fires?
Last Answer : And if you swallow a cherry pit, a tree would grow in your stomach. How old are you?
How is the Electricity produced in power station?
Last Answer : Electricity produced in power station by the generator and generator also use the energy such as running water, burning fuel or nuclear energy which is run inside the machines and convert into electrical energy.
How Household Use Electricity And Energy
Last Answer : I have often wondered what the average use of energy of appliances is. Here is a breakdown by percentage usage of each consuming appliance taken from a sampling of US households. Refrigerators 13.7% ... Telephone 0.2 Rechargeable Tools 0.2 Humidifier 0.1 Automobile Block Heater 0.0 Residual 7.3
What is electricity?
Last Answer : Ans. It is a form of energy, which is invisible but can be felt by its effect.
What is power in Electricity
How Electricity is Made ?
Last Answer : How Electricity is Made Electricity is produced when the balance between the protons and electrons of an atom is disrupted by a certain force. It transmits an electrical charge through solid matter. ... as the classic Dutch six-bladed wind mills. These wind mills were used in ancient times.
Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load
Last Answer : i) Tariff: The rate at which a consumer is charged for the consumption of electricity is called as tariff. OR The amount of money framed by the supplier for the supply of electrical energy ... is the total wattage of all appliances which are used by the consumer on his sanctioned connection.
Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax
Last Answer : (i) Connected load It is the sum of the power ratings (Watts or kW or MW) of all devices and machines existing (installed) in the premises of consumer. It is used to decide the ... a percentage of the total electricity bill which includes all amounts that go to the electricity supply agency.
Last Answer : Integrating instruments are those which measure the total quantity of electricity delivered in a particular time.
How do magnets and copper wire make electricity?
Last Answer : According to Faradays law , a changing magnetic field on a conductor induses current in the conductor through mutual induction.
Is electricity generated in AC or DC?
Last Answer : Electricity is generated in AC.
What do we use to generate electricity?
Last Answer : Use wind turbines. In a windy seashore we set up some wind turbines. But when the place is not windy we got no electricity.
How much electricity is produced by a power plant?
Is Aluminium a good conductor of electricity?
Last Answer : Yes aluminium is a conductor and it is a good conductor of electricity. But copper have better conductivity as compare to aluminium.
How electricity is transmitted and distributed?
How electricity is distributed?
How much is 1 unit of electricity?
Last Answer : 1 unit of electricity is equal to 1 kWh.
Is electricity faster than lightning?
What speed does electricity travel at?