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ECIL GET 2017 Recruitment: Electronics (Electromagnetics) Quiz 14

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Question 1

Two lossy capacitors with equal capacitance values and power factors of 0.01 and 0.02 are in parallel, and the combination is supplied from a sinusoidal voltage source. The power factor of the combination is

Question 2

A piece of oil soaked paper has been inserted between the plates of a parallel plate capacitor. Then the potential difference between the plates will

Question 3

A wire of length 2 m carries a current of $Description: Description: Description: E:\Gate\SSC-JE Electrical - Part 1\7_Magnetism-and-Electromagnetism-final_files\image027.png$ What is the force acting on it when it is placed at an angle of 45^o to the uniform magnetic field of 0.15 T?

Question 4

Current of 10 A and 2 A are passed through two parallel wires $Description: Description: Description: E:\Gate\SSC-JE Electrical - Part 1\7_Magnetism-and-Electromagnetism-final_files\image146.png$ and $Description: Description: Description: E:\Gate\SSC-JE Electrical - Part 1\7_Magnetism-and-Electromagnetism-final_files\image093.png$ respectively in opposite directions. If the wire $Description: Description: Description: E:\Gate\SSC-JE Electrical - Part 1\7_Magnetism-and-Electromagnetism-final_files\image146.png$ is infinitely long and the length of wire $Description: Description: Description: E:\Gate\SSC-JE Electrical - Part 1\7_Magnetism-and-Electromagnetism-final_files\image093.png$ is 2 m, the force on conductor $Description: Description: Description: E:\Gate\SSC-JE Electrical - Part 1\7_Magnetism-and-Electromagnetism-final_files\image093.png$ at a separation of 10 cm from A will be

Question 5

Electric lines of force about a negative point charge are

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ESE & GATE EC Electromagnetics

Jan 11ESE & GATE EC