1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
You measure two quantities as $ A=1.0 \mathrm{~m} \pm 0.2 \mathrm{~m} $, $ B=2.0 . \mathrm{m} \pm 0.2 \mathrm{~m} $. We should report correct value for $ \sqrt{A B} $ as
A
$ 1.4 \mathrm{~m} \pm 0.4 \mathrm{~m} $
B
$ 1.41 \mathrm{~m} \pm 0.15 \mathrm{~m} $
C
$ 1.4 \mathrm{~m} \pm 0.3 \mathrm{~m} $
D
$ 1.4 \mathrm{~m} \pm 0.2 \mathrm{~m} $
2
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
A rigid body rotates about a fixed axis with variable angular velocity equal to $ \alpha-\beta t $, at the time $ t $, where $ \alpha, \beta $ are constants. The angle through which it rotates before it stops is
A
$ \frac{\alpha^{2}}{2 \beta} $
B
$ \frac{\alpha^{2}-\beta^{2}}{2 \alpha} $
C
$ \frac{\alpha^{2}-\beta^{2}}{2 \beta} $
D
$ \frac{(\alpha-\beta) \alpha}{2} $
3
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
Electric field at point $ (30,30,0) $ due to a charge of $ 0.008 \mu \mathrm{C} $ placed at origin will be, (coordinates are in cm )
A
$ 8000 \mathrm{NC}^{-1} $
B
$ 4000(\hat{\mathbf{i}}+\hat{\mathbf{j}}) \mathrm{NC}^{-1} $
C
$ 200 \sqrt{2}(\hat{\mathbf{i}}+\hat{\mathbf{j}}) \mathrm{NC}^{-1} $
D
$ 400 \sqrt{2}(\hat{\mathbf{i}}+\hat{\mathbf{j}}) \mathrm{NC}^{-1} $
4
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
In the following circuit diagram, when $ 3 \Omega $ resistor is removed, then equivalent resistance of the network

BITSAT 2024 Physics - Current Electricity Question 3 English

A
increases
B
decreases
C
remains same
D
None of these
EXAM MAP