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Electricity is generated at electrical power generation station.
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Answer : Electricity   is  generated  in  AC.

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Answer : In an alternator, at lagging power factor the generated voltage per phase as compared to that at unity power factor must be more than terminal voltage.

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Why harmonics are generated in electrical system?

Description : necessity of transmission of electricity.

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. 

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Description : 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 tariff policy and promoting competition  (C) Efficiency and economy in the electricity industry  (D) All of the above

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

Description : 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

Answer : As per Electricity Act, Electric line means any line which is used for carrying electricity for any purpose. 

Description : What kinds of materials can not electricity pass through?

Description :

Answer : To avoid electric shock from electrical appliances to the human body 

Description :

Answer : Rubber is a insulator it do not allow flow of current so electricity can not flow through rubber.

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Answer : No. Wood is an insulator and it doesn't free electrons to flow in it.

Description : Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load

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. 

Description : Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax 

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. 

Description :

Answer : Integrating instruments are those which measure the total quantity of electricity delivered in a particular time.

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Answer : Yes aluminium is a conductor and it is a good conductor of electricity. But copper have better conductivity as compare to aluminium.

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How electricity is transmitted and distributed?

Description :

How electricity is distributed?

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Answer : 1 unit of electricity is equal to 1 kWh.

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Description : What speed does electricity travel at?

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Answer : Obviously its A.C

Description :

How the electricity is transmitted?

Description : How is electricity passed through a wire?

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Description : Why do you need a closed circuit for electricity to flow?

Answer : When  the  circuit  is  closed  , a potential  diffrence  is  realized  between  the  two  nodes  connected  .This  causes  flow of  electrons  and  convection  current.

Description : How does the electricity travel?

Answer : Electricity can only travel when there is a force pushing it. This force is called electromotive force. Take a look at  a water pump. When you on it force(EMF)will be applied to the ... its specified destination. This same process is applied to  electricity. EMF is required to start the process. 

Description : How do we use nuclear energy to generate electricity?

Answer : nuclear energy is produce by nuclei of atom

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

Answer : Electricity  gets  into   my   home  due  to  potential  diffrence  created   between  the  live   wire  and  neutral  wire.

Description : which device converts sound to electricity ?

Answer : Microphone converts sound to electricity.

Description : Do you think is DC better than AC to transmit energy?

Answer : In Long distance DC transmission will be better in cost. It requires more equipments for flexiblity In short distance AC transmission is better in  cost. It is more Flexible

Description : Of the following answers, which is closest to the percentage of electricity generated by nuclear power plants in the U.S. in 1987? w) 5% x) 10% y) 20% z) 40%

Answer : ANSWER: Y -- 20%

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Electricity generated by coal-fired power plants i the United States in 1990 was approximately what percentage of the entire electricity produced by all sources of power production?

w) 10 percent
x) 25 percent
y) 55 percent
z) 90 percent

Answer : ANSWER: Y -- 55 PERCENT

Description : Thermal electricity is generated by using which of these ? (1) Coal only (2) Coal and Natural Gas only (3) Coal, Natural Gas and Petroleum (4) None of these

Answer : Coal, Natural Gas and Petroleum

Description : The number of strings of length 4 that are generated by the regular expression (0|∈) 1+2* (3|∈), where | is an alternation character, {+, *} are quantification characters, and ∈ is the null string, is: (A) 08 (B) 10 (C) 11 (D) 12

Answer : (D) 12

Description : The number of strings of length 4 that are generated by the regular expression (0+1 +|2+3 + )*, where | is an alternation character and {+, *} are quantification characters, is: (A) 08 (B) 09 (C) 10 (D) 12

Answer : (C) 10

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