BCECE SERIES Physics
Magnetic Field
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
2
2017 Chapter Questions 2 MCQs
01
PYQ 2017
medium
physics ID: bcece-20
Two long parallel wires placed 0.08 m apart carry currents 3 A and 5 A in the same direction. What is the distance from the conductor carrying larger current to the point where the resultant magnetic field is zero ?
1
0.5 m
2
0.04 m
3
0.05 m
4
0.4 m
02
PYQ 2017
medium
physics ID: bcece-20
The relative permeability is represented by μr and the susceptibility by X for a magnetic substance. Then for a paramagnetic substance
1
μr > 1, X < 0
2
μr > 1, X > 0
3
μr < 1, X < 0
4
μr < 1, X > 0