Weakest force in nature is …………
a) Electric force
b) Gravitational force
c) Weak force
d) Magnetic force
A magnetic field exists around……………….
a) Iron
b) Copper
c) Moving Charges
d) none of these
The use of permanent magnets is not made in
a) Magnetos
b) Energy mates
c) Transformers
d) Loud speaker
In the left hand rule, fore finger always represents
a) Voltage
b) Current
c) Magnetic field
d) none of these
The phenomenon by which subtracts pieces of iron.
a) Magnetism
b) Naturalism
c) Electromagnetism
d) Materialism
The straight line passing through the two poles of magnet is
called………
a) Real axis
b) Cartesian axis
c) Magnetic axis
d) Imaginary axis
