### Chapter No. 4: Effects of Electric Current. Right or Wrong, Science I, SSC, 10th Maharashtra,

Right or Wrong, Science I, SSC, 10th Maharashtra,

Write right or wrong. If wrong, write the correct sentence.

Chapter No. 4: Effects of Electric Current.

Metal casting of all electrical appliances must be earthed.

Ans. Right.

Electric current, if very weak, does not produce magnetic field.

Ans. Wrong.
Reason: Electric current produces magnetic field even if the current is very weak.

If the direction of electric current is reversed, then the direction of the magnetic field would also be reversed.

Ans. Right.

Most of the power stations produce direct current.

Ans. Wrong.
Reason: Most of the power station produce alternating current.