State whether the following statement is true or false :
The magnetic field inside a long circular coil carrying current will be parallel straight lines.
The given statement is true.
The field at the centre of a long circular coil carrying current will be parallel straight lines.
State whether following statements are True or False:
(a) An electric motor converts mechanical energy into electrical energy
(b) An electric generator works on principle of electromagnetic induction
(c) The field at the center of a long circular coil carrying current will be parallel straight lines
(d) A wire with a green insulation is usually the live wire of an electric supply
State true or false. The magnetic field line passing through the centre of a circular current carrying conductor is a straight line.