A substance that attracts pieces iron…….
a) Conductor
b) Semiconductor
c) Magnet
d) all of the above
Magnetic moment is a …………………
a) Pole strength
b) Universal constant
c) Scalar quantity
d) Vector quantity
An electric circuit is the………..
a) collection of bulb and cell
b) collection of bulb and wires
c) collection of bulb and wires
d) path of electric current
An electric circuit can be made open or closed by using a ……..
a) cell
b) bulb
c) switch
d) magnet
Current cannot pass through………
a) aluminum wire
b) copper plate
c) piece of iron
d) piece of dry wood
Which of the following is magnetic material?
a) glass
b) nickel
c) plastic
d) aluminum
