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Time-Varying Fields

GATE Electronics & Communication · 10 questions across 8 years (1987-2022) · 20% recurrence rate

Recurrence sparkline

19872022
198720052022

Difficulty mix

easy 90%
med 10%

Question types

MCQ9
OTHER1

All 10 questions on Time-Varying Fields

2022 PYQ

In a circuit, there is a series connection of an ideal resistor and an ideal capacitor. The conduction current (in Amperes) through the resistor is 2sin(t + $$\pi$$/2). The displacement current (in Amperes) through the c...

Easy
2016 PYQ

Faraday's law of electromagnetic induction is mathematically described by which one of the following equations?

Easy
2007 PYQ

If C is a closed curve enclosing a surface S, then the magnetic field intensity $$\overrightarrow H $$, the current density $$\overrightarrow J $$ and the electric flux density $$\overrightarrow D $$ are related by

Easy
2003 PYQ

The unit of $$\nabla\times\mathrm H$$ is

Easy
2001 PYQ

A material has conductivity of 10 -2 mho/m and a relative permittivity of 4. The frequency at which the conduction current in the medium is equal to the displacement current is

Easy
1998 PYQ

The vector $$\mathop H\limits^ \to $$ in the far field of an antenna satisfiels

Easy
1998 PYQ

The Maxwell's equation $$\nabla\times\overrightarrow H\;=\;\overrightarrow J\;+\;\frac{\partial\overrightarrow D}{\partial t}$$ is based on

Easy
1998 PYQ

A loop is rotating about the y-axis in a magnetic field $$$\overrightarrow B\;=\;B_0\cos\left(\mathrm{ωt}\;+\;\mathrm\phi\;\right)\;{\overrightarrow a}_x\;\mathrm T .$$$ The voltage in the loop is

Easy
1990 PYQ

Which of the following field equations indicate that the free magnetic charges do not exits?

Easy
1987 PYQ

An electric field is given by $$\overrightarrow E = \overrightarrow a {}_x\,{\rm A}\,\,\sin \,\beta ySin\,\,\omega t$$ is present in a charge free medium infinite in extent (a) Determine the associated magnetic field. (b...

Med