Quick picks on current and magnetism

Exercise and reference answers

Questions

1. Question

   The unit of magnetic field strength named after him:

   Choices

   1. Oersted
   2. Ohm
   3. Ampere

   Correct choice

   Oersted

2. Question

   Inside a magnet, field lines run south to:

   Choices

   1. East
   2. North
   3. West

   Correct choice

   North

3. Question

   One end of a solenoid behaves as a pole that is:

   Choices

   1. Neutral
   2. Negative
   3. North

   Correct choice

   North

4. Question

   A fuse guards a circuit against:

   Choices

   1. Overloading
   2. Overheating rooms
   3. Overhead wires

   Correct choice

   Overloading

5. Question

   Live and neutral touching directly causes a:

   Choices

   1. Slow leak
   2. Short circuit
   3. Steady drain

   Correct choice

   Short circuit

Instructions

Tap the correct answer before the round moves on.

Explanation