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When an electric current coil of a wattmeter is connected to the electric current path R and the voltage coil is connected between the electric current R path and the neutral side of the balanced three phase supply, it shows 10 kW. The line voltage along the phase sequence RYB is 400 V. The current drawn by the current path is 54 A. What is the new reading of the wattmeter if the voltage coil is connected between the lines B and the Y paths, even if the electric current coil is continuously present in the line R?
Given below are four jumbled sentences. Select the option that gives their correct order.  A.The mayor of London has hailed the launch of a fully electric black cab for London for helping clean up the capital’s polluted air. B.Its predecessor, the Bersey, failed to take off at a time when most cabs were horse-drawn. C.Since 1899,the Dynamo, a taxi converted from a Nissan electric van in a Coventry factory, is the first 100% electric taxi on the streets of London.  D.The drivers of this car will be able to claim a £7,500 government grant for electric cars against the price.
An electric field of 1000 V/m is applied to an electric dipole at angle of 45°. The value of electric dipole moment is 10-29 C-m. What is the potential energy of the electric dipole?
Which of the following is/are true about dipole? (1) The unit of electric dipole moment is coulomb meter (2) The net charge of the electric dipole is zero (3) The net electric field due to an electric dipole is nonzero. (4) Point diploe is the diploe with a small value of the charge.
Read the given passage/argument and answer the question that follow it. Govt of India has reconfirmed their plans to go full ballistic for electric cars. An announcement which will make Elon Musk and patrons of electric vehicles super happy, India plans to allow the sale of only electric cars by 2030, which is just 12 years away. This means that petrol/diesel cars won’t be allowed on the road after 2030. This is a massive, powerful endorsement of electric, green technology, and can change transportation industry forever.  Which of the following argument can be made from above passage?
The amount of electric charge flowing through electric circuit in 10 minutes is 300 coulombs. Find the electric current drawn by the filament of the electric bulb is?
The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture?
With reference to the Pressure, consider the following statements: 1. A column of air exerts weight in terms of pressure on the surface of the earth. 2. The weight of the column of air at a given place and time is called air pressure or atmospheric pressure. 3. Atmospheric pressure is measured as force per unit area. Which of the following statement given above is/are correct?
With reference to the Air pressure, consider the following statements: 1. The weight of a column of air contained in a unit area from the mean sea level to the top of the atmosphere is called the atmospheric pressure. 2. In the lower atmosphere, the pressure increases rapidly with height. 3. The horizontal pressure gradient force is much larger than that of the vertical pressure gradient. Which of the above statement is/are correct?
To talk about emergency situations, Priya asked children's experiences when they faced any emergencies. Children narrated their experiences with fire, electric shock and road accidents. She asked questions, assessed their existing understandings and discussed safety aspects using resources such as road safety advertisements from newspapers and also used LPG and electric bill to discuss safety guidelines on fire and electric shock respectively. Which is the most appropriate approach that Priya employed?