GATE EC|| ELCTROMAGNETIC FIELD THEORY||PYQs(2000-2025)

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Question 1

A system of three electric charges lying in a straight line is in equilibrium. Two of the charges are positive with magnitudes Q and 2Q and are 50 cm apart. Determine the sign, magnitude, and position of the third charge.

(GATE 2001|| EC || NAT ||5 MARK)

  • 50.5 cm

Question 2

Screenshot-2025-09-16-114505


(GATE 2002|| EC || MCQ ||2 MARK)

  • Screenshot-2025-09-16-114549


  • Screenshot-2025-09-16-114553


  • Screenshot-2025-09-16-114559


  • Screenshot-2025-09-16-114604


Question 3

Screenshot-2025-09-16-114947


(GATE 2003|| EC || MCQ ||2 MARK)

  • +1 Volt

  • –1 Volt­

  • +5 Volt

  • +6 Volt

Question 4

Screenshot-2025-09-16-115259

(GATE 2003|| EC || MCQ ||2 MARK)

  • Screenshot-2025-09-16-115307


  • Screenshot-2025-09-16-115316


  • Screenshot-2025-09-16-115324


  • Screenshot-2025-09-16-115331


Question 5

Screenshot-2025-09-16-115727

(GATE 2006|| EC || MCQ ||2 MARK)

  • Screenshot-2025-09-16-115731


  • Screenshot-2025-09-16-115736


  • Screenshot-2025-09-16-115740


  • Screenshot-2025-09-16-115743


Question 6

The force on a point charge +q kept at a distance d from the surface of an infinite grounded metal plate in a medium of permittivity  is

(GATE 2014|| EC || MCQ ||1 MARK)

  • 0

  • Screenshot-2025-09-16-120106


  • Screenshot-2025-09-16-120112


  • Screenshot-2025-09-16-120122


Question 7

Screenshot-2025-09-16-120517


Screenshot-2025-09-16-120526


(GATE 2014|| EC || NAT ||2 MARK)

  • –15

Question 8

Screenshot-2025-09-16-121032


(GATE 2014|| EC || MCQ ||2 MARK)

  • Screenshot-2025-09-16-121108


  • Screenshot-2025-09-16-121114


  • Screenshot-2025-09-16-121119


  • Screenshot-2025-09-16-121126


Question 9

Screenshot-2025-09-16-121820


(GATE 2014|| EC || NAT ||1 MARK)

  • -3

Question 10

Screenshot-2025-09-16-124148

(GATE 2016|| EC || MCQ ||2 MARK)

  • Screenshot-2025-09-16-124201


  • Screenshot-2025-09-16-124307


  • Screenshot-2025-09-16-124318


  • Screenshot-2025-09-16-124327


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