1
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
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2
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
3
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
An electromagnetic field is radiated from
A
a stationary point charge
B
a capacitor with a DC voltage
C
a conductor carrying a DC current
D
an oscillating dipole
4
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The laws of electromagnetic induction (Faraday's and Lenz's law) are summarized in the following equation
A
$$e = iR$$
B
$$e = L{{di} \over {dt}}$$
C
$$e = - {{d\psi } \over {dt}}$$
D
none of these
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