Mechanics
Units & Measurement and Dimensions
MCQ (Single Correct Answer)
Motion in a Straight Line
MCQ (Single Correct Answer)
Work, Energy and Power
MCQ (Single Correct Answer)
Center of Mass and Collision
MCQ (Single Correct Answer)
Simple Harmonic Motion
MCQ (Single Correct Answer)
Heat and Thermodynamics
MCQ (Single Correct Answer)
Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
KCET 2017
MCQ (Single Correct Answer)
+1
-0

A straight wire of length 50 cm carrying a current of 2.5 A is suspended in mid-air by a uniform magnetic field of 0.5 T (as shown in figure). The mass of the wire is ( $g=10 \mathrm{~ms}^{-2}$ )

KCET 2017 Physics - Moving Charges and Magnetism Question 6 English
A
250 gm
B
125 gm
C
62.5 gm
D
100 gm
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The magnetic field at the centre of a current carrying loop of radius 0.1 m is $5 \sqrt{5}$ times that at a point along its axis. The distance of this point from the centre of the loop is
A
0.1 m
B
0.2 m
C
0.05 m
D
0.25 m
KCET Subjects