1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Which of the following graph represents the variation of magnetic flux density $B$ with distance $r$ for a straight long wire carrying an electric current?

A
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 1
B
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 2
C
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 3
D
VITEEE 2024 Physics - Moving Charges and Magnetism Question 1 English Option 4
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Three charges, each of $+4 \mu \mathrm{C}$, are placed at the corners $A, B, C$ of a square $A B C D$ of side 1 m . What is the magnitude (in $\mathrm{NC}^{-1}$ ) of electric field at point $O$ towards point $D$ ?

A
66000
B
72000
C
51000
D
64000
3
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

36 cells each of internal resistance $0.5 \Omega$ and emf 1.5 V each are used to send current through an external circuit of $2 \Omega$ resistor. For getting maximum current, $n$ cells are combined in series in each row. If total number of such rows are $m$, then the value of $(n / m)$ will be

A
4
B
6
C
8
D
3
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The magnetic field in a electromagnetic wave is given by

$$B_y=2 \times 10^{-7} \sin \left(0.5+10^3 x+1.5 \times 10^{11} t\right) \mathrm{T}$$

The frequency of the wave is (in GHz)

A
1.26 GHz
B
2.39 GHz
C
12.6 GHz
D
23.9 GHz
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12