a. True
A solenoid is a long circular coil. Inside a solenoid, the magnetic field lines are parallel straight lines.
b. False
The earth wire has green insulation while the live wires have red insulation.
State whether the following statements are true or false.
a. The field at the center of a long circular coil carrying current will be parallel straight lines.
b. A wire with a green insulation is usually the live wire of an electric supply.
a. The field at the center of a long circular coil carrying current will be parallel straight lines.
b. A wire with a green insulation is usually the live wire of an electric supply.
State whether the following statements are true or false.
a. The field at the center of a long circular coil carrying current will be parallel straight lines.
b. A wire with a green insulation is usually the live wire of an electric supply.
a. The field at the center of a long circular coil carrying current will be parallel straight lines.
b. A wire with a green insulation is usually the live wire of an electric supply.