1
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A square loop of side 2 m lies in the Y-Z plane in a region having a magnetic field $\overrightarrow{\mathrm{B}}=(5 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}-4 \hat{\mathrm{k}}) \mathrm{T}$. The magnitude of magnetic flux through the square loop is

A
20 Wb
B
12 Wb
C
16 Wb
D
10 Wb
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

In domestic electric mains supply, the voltage and the current are

A
AC voltage and DC current
B
DC voltage and DC current
C
DC voltage and AC current
D
AC voltage and AC current
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A sinusoidal voltage produced by an AC generator at any instant t is given by an equation $\mathrm{V}=311 \sin 314$ t. The rms value of voltage and frequency are respectively

A
$200 \mathrm{~V}, 50 \mathrm{~Hz}$
B
$220 \mathrm{~V}, 100 \mathrm{~Hz}$
C
$220 \mathrm{~V}, 50 \mathrm{~Hz}$
D
$200 \mathrm{~V}, 100 \mathrm{~Hz}$
4
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A series LCR circuit containing an AC source of 100 V has an inductor and a capacitor of reactances $24 \Omega$ and $16 \Omega$ respectively. If a resistance of $6 \Omega$ is connected in series, then the potential difference across the series combination of inductor and capacitor only is

A
80 V
B
400 V
C
8 V
D
40 V
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