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List of top Electromagnetic Theory Questions asked in GATE Electronics and Communication Engineering

An electric field of 0.01 V/m is applied along the length of a copper wire of circular cross-section with diameter 1 mm. Copper has a conductivity of \( 5.8 \times 10^7 \, {S/m} \). The current (in Amperes, rounded off to two decimal places) flowing through the wire is _________.
  • GATE EC - 2025
  • GATE EC
  • Electromagnetic Theory
  • Faraday's Law

Two resistors are connected in a circuit loop of area 5 m\(^2\), as shown in the figure below. The circuit loop is placed on the \( x-y \) plane. When a time-varying magnetic flux, with flux-density \( B(t) = 0.5t \) (in Tesla), is applied along the positive \( z \)-axis, the magnitude of current \( I \) (in Amperes, rounded off to two decimal places) in the loop is (answer in Amperes).


 

  • GATE EC - 2025
  • GATE EC
  • Electromagnetic Theory
  • Faraday's Law