1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
A parallel plate capacitor has a uniform electric field '$E$' in the space between the plates. If the distance between the plates is '$d$' and area of each plate is '$A$', the energy stored in the capacitor is
A
$\dfrac{1}{2}\varepsilon_0 E^2$
B
$\varepsilon_0 E a d$
C
$\dfrac{1}{2}\varepsilon_0 E^2 A d$
D
$\dfrac{E^2 A d}{\varepsilon_0}$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
In the figure, the values of currents $I_1, I_2$ and $I_3$ respectively are
A
$6$ A, $1.5$ A and $1$ A
B
$4$ A, $2.5$ A and $2$ A
C
$4$ A, $2.5$ A and $1$ A
D
$6$ A, $4.5$ A and $1.5$ A
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Which of the following circuits is correct for verification of Ohm's law?
A
B
C
D
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
In a conducting region, $10^{19}$ electrons and $10^{19}$ protons move to the left, while $10^{19}$ $\alpha$-particles move to the right per second. The resulting electric current is $(e = 1.6 \times 10^{-19}\text{ C})$ _________
A
$3.2$ A towards left
B
$3.2$ A towards right
C
$1.6$ A towards left
D
$1.6$ A towards right