Pick out correct expression.
Symbol used to represent magnetic field.
Φ
B
H
Es Is =
Ep Is
Ep Ip
Ep ⁄ Ip
Es Ip
Which of the following statement is right?The magnetic field lines become denser if.
Strength of current in the loop is increased.
There is more number of turns in the loop.
If less number of turns in the loop.
Both 1 and 2
In a step down transformer?
Ns / Np < 1
Ns = Np
Ns / Np > 1
Nothing can be said
The direction of induced current is obtained by
Fleming's left hand rule
Clock rule
Right hand thumb rule
Fleming's right hand rule
Direction of magnetic field can be find by
Flemings left hand rule
Len's law
Farady's law
The SI unit of magnetic field is
Tesla
Nm
NA-1
N / m
Which of the following looks like a helical spring ?
Compass needle
Solenoid
Strong magnet
Current carrying conductor
