1
GATE EE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In cylindrical coordinate system, the potential produced by a uniform ring charge is given $$\phi=f\left(r,\;z\right)$$, where f is a continuous function of r and z. Let $$\overrightarrow E$$ be the resulting electric field. Then the magnitude of $$\nabla\times\overrightarrow E$$
A
increases with r
B
is 0
C
is 3
D
decreases with z
2
GATE EE 2015 Set 1
Numerical
+1
-0
Consider a one-turn rectangular loop of wire placed in a uniform magnetic field as shown in the figure. The plane of the loop is perpendicular to the field lines. The resistance of the loop is 0.4 Ω, and its inductance is negligible. The magnetic flux density (in Tesla) is a function of time, and is given by B(t) = 0.25 sinωt, where ω = 2𝜋×50 radian/second. The power absorbed (in Watt) by the loop from the magnetic field is ________. GATE EE 2015 Set 1 Electromagnetic Fields - Time Varying Fields Question 9 English
Your input ____
3
GATE EE 2015 Set 2
Numerical
+1
-0
A circular turn of radius 1 m revolves at 60 rpm about its diameter aligned with the x-axis as shown in the figure. The value of μ0 is $$4\mathrm\pi\times10^{-7}$$ in SI unit. If a uniform magnetic field intensity $$\overrightarrow H=10^7\;\widehat z\;A/m$$ is applied, then the peak value of the induced voltage, Vturn ( in Volts), is _________. GATE EE 2015 Set 2 Electromagnetic Fields - Time Varying Fields Question 10 English
Your input ____
4
GATE EE 2006
MCQ (Single Correct Answer)
+1
-0.3
The concept of an electrically short, medium, and long line is primarily based on the
A
nominal voltage of the line
B
physical length of the line
C
wavelength of the line
D
power transmitted over the line
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