1
GATE ECE 2025
MCQ (Single Correct Answer)
+2
-0.67
An electric field of $0.01 \mathrm{~V} / \mathrm{m}$ is applied along the length of a copper wire of circular crosssection with diameter 1 mm . Copper has a conductivity of $5.8 \times 10^7 \mathrm{~S} / \mathrm{m}$. The current (in Amperes, rounded off to two decimal places) flowing through the wire is ________
A
0.46
B
1.82
C
0.58
D
1.12
2
GATE ECE 2025
Numerical
+2
-0
A $50 \Omega$ lossless transmission line is terminated with a load $Z_L$ of $(50-j 75) \Omega$. If the average incident power on the line is 10 mW , then the average power delivered to the load (in mW , rounded off to one decimal place) is _________ .
Your input ____
3
GATE ECE 2025
Numerical
+2
-0
Two resistors are connected in a circuit loop of area $5 \mathrm{~m}^2$, 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 $B(t)=0.5 t$ (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__________ . GATE ECE 2025 Electromagnetics - Maxwell Equations Question 1 English
Your input ____
4
GATE ECE 2025
MCQ (More than One Correct Answer)
+1
-0

Which of the following can be used as an n-type dopant for silicon?

Select the correct option(s).

A
Arsenic
B
Boron
C
Gallium
D
Phosphorous
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