True or false on magnetic effects

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   Field lines can cross one another.

2. Statement is true

   Yes

   Statement

   Field lines are closed curves.

3. Statement is true

   Yes

   Statement

   Crowded field lines mean a stronger field.

4. Statement is true

   No

   Statement

   The field inside a solenoid varies a lot.

5. Statement is true

   Yes

   Statement

   The earth wire has green insulation.

6. Statement is true

   No

   Statement

   Indian mains AC runs at sixty hertz.

Instructions

Decide whether each statement is true or false.

Explanation