1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic field at a perpendicular distance of one metre from a wire carrying current of 1 A is

A
$2 \times 10^{-7} \mathrm{~T}$
B
$2 \times 10^{-8} \mathrm{~T}$
C
$2 \times 10^{-6} \mathrm{~T}$
D
$2 \times 10^{-9} \mathrm{~T}$
2
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A circular coil of area $2 \mathrm{~cm}^2$ has 1000 turns. If the current through the coil is 1 A , then its magnetic moment is

A
$4 \mathrm{~A}-\mathrm{m}^2$
B
$0.2 \mathrm{~A}-\mathrm{m}^2$
C
$0.4 \mathrm{~A}-\mathrm{m}^2$
D
$2 \mathrm{~A}-\mathrm{m}^2$
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A contjucting wire $P Q$ carries a current 10 A as shown in the figure. ft is placed in a uniform magnetic field 5 T which is acting normally outside from the paper. Then, the net force experienced by it isTS EAMCET 2023 (Online) 12th May Morning Shift Physics - Moving Charges and Magnetism Question 3 English
A
0
B
5 N
C
30 N
D
20 N
4
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A long straight wire carries a current of 18 A . The magnitude of the magnetic field at a point 12 cm from it is
A
$1.5 \times 10^{-5} \mathrm{~T}$
B
$2 \times 10^{-5} \mathrm{~T}$
C
$3 \times 10^{-5} \mathrm{~T}$
D
$1.8 \times 10^{-5} \mathrm{~T}$
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